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106 vulnerabilities found for RIOT by RIOT-OS

CVE-2025-66647 (GCVE-0-2025-66647)

Vulnerability from nvd – Published: 2025-12-17 20:21 – Updated: 2025-12-17 20:39
VLAI?
Title
RIOT OS has buffer overflow in gnrc_ipv6_ext_frag_reass
Summary
RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices. A vulnerability was discovered in the IPv6 fragmentation reassembly implementation of RIOT OS v2025.07. When copying the contents of the first fragment (offset=0) into the reassembly buffer, no size check is performed. It is possible to force the creation of a small reassembly buffer by first sending a shorter fragment (also with offset=0). Overflowing the reassembly buffer corrupts the state of other packet buffers which an attacker might be able to used to achieve further memory corruption (potentially resulting in remote code execution). To trigger the vulnerability, the `gnrc_ipv6_ext_frag` module must be included and the attacker must be able to send arbitrary IPv6 packets to the victim. Version 2025.10 fixes the issue.
Severity ?
1.7 (Low)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: < 2025.10
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-66646 (GCVE-0-2025-66646)

Vulnerability from nvd – Published: 2025-12-17 19:18 – Updated: 2025-12-17 20:30
VLAI?
Title
RIOT-OS has NULL pointer dereference in gnrc_ipv6_ext_frag_reass
Summary
RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices. A vulnerability was discovered in the IPv6 fragmentation reassembly implementation of RIOT OS v2025.07. When receiving an fragmented IPv6 packet with fragment offset 0 and an empty payload, the payload pointer is set to NULL. However, the implementation still tries to copy the payload into the reassembly buffer, resulting in a NULL pointer dereference which crashes the OS (DoS). To trigger the vulnerability, the `gnrc_ipv6_ext_frag` module must be enabled and the attacker must be able to send arbitrary IPv6 packets to the victim. RIOT OS v2025.10 fixes the issue.
Severity ?
1.7 (Low)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: < 2025.10
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-53888 (GCVE-0-2025-53888)

Vulnerability from nvd – Published: 2025-07-18 15:32 – Updated: 2025-07-18 15:47
VLAI?
Title
RIOT-OS has an ineffective size check that can lead to buffer overflow in link layer address filter /sys/net/link_layer/l2filter/l2filter.c
Summary
RIOT-OS, an operating system that supports Internet of Things devices, has an ineffective size check implemented with `assert()` can lead to buffer overflow in versions up to and including 2025.04. Assertions are usually compiled out in production builds. If assertions are the only defense against untrusted inputs, the software may be exposed to attacks that utilize the lack of proper input checks. In the `l2filter_add()` function shown below, `addr_len` is checked using an assertion and is subsequently used as an argument in a `memcpy()` call. When assertions are disabled, there would be no size check for `addr_len`. As a consequence, if an attacker were to provide an `addr_len` value larger than `CONFIG_L2FILTER_ADDR_MAXLEN`, they can trigger a buffer overflow and write past the `list[i].addr` buffer. If the unchecked input is attacker-controlled, the impact of the buffer overflow can range from a denial of service to arbitrary code execution. Commit f6f7de4ccc107c018630e4c15500825caf02e1c2 contains a patch for the vulnerability.
Severity ?
6.6 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: <= 2025.04
Create a notification for this product.
Show details on NVD website
To clipboard 

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          "name": "https://github.com/RIOT-OS/RIOT/blob/2025.04/sys/net/link_layer/l2filter/l2filter.c#L47",
          "tags": [
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        "advisory": "GHSA-7972-w7f9-3j9m",
        "discovery": "UNKNOWN"
      },
      "title": "RIOT-OS has an ineffective size check that can lead to buffer overflow in link layer address filter /sys/net/link_layer/l2filter/l2filter.c"
    }
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    "dateReserved": "2025-07-11T19:05:23.824Z",
    "dateUpdated": "2025-07-18T15:47:07.789Z",
    "state": "PUBLISHED"
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CVE-2024-53980 (GCVE-0-2024-53980)

Vulnerability from nvd – Published: 2024-11-29 18:56 – Updated: 2024-12-02 11:06
VLAI?
Title
Spoofed length byte traps CC2538 in endless loop
Summary
RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices. A malicious actor can send a IEEE 802.15.4 packet with spoofed length byte and optionally spoofed FCS, which eventually results into an endless loop on a CC2538 as receiver. Before PR #20998, the receiver would check for the location of the CRC bit using the packet length byte by considering all 8 bits, instead of discarding bit 7, which is what the radio does. This then results into reading outside of the RX FIFO. Although it prints an error when attempting to read outside of the RX FIFO, it will continue doing this. This may lead to a discrepancy in the CRC check according to the firmware and the radio. If the CPU judges the CRC as correct and the radio is set to `AUTO_ACK`, when the packet requests and acknowledgment the CPU will go into the state `CC2538_STATE_TX_ACK`. However, if the radio judged the CRC as incorrect, it will not send an acknowledgment, and thus the `TXACKDONE` event will not fire. It will then never return to the state `CC2538_STATE_READY` since the baseband processing is still disabled. Then the CPU will be in an endless loop. Since setting to idle is not forced, it won't do it if the radio's state is not `CC2538_STATE_READY`. A fix has not yet been made.
Severity ?
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CWE
  • CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: <= 2024.07
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2024-52802 (GCVE-0-2024-52802)

Vulnerability from nvd – Published: 2024-11-22 15:41 – Updated: 2024-11-25 18:07
VLAI?
Title
RIOT-OS missing dhcpv6_opt_t minimum header length check
Summary
RIOT is an operating system for internet of things (IoT) devices. In version 2024.04 and prior, the function `_parse_advertise`, located in `/sys/net/application_layer/dhcpv6/client.c`, has no minimum header length check for `dhcpv6_opt_t` after processing `dhcpv6_msg_t`. This omission could lead to an out-of-bound read, causing system inconsistency. Additionally, the same lack of a header length check is present in the function `_preparse_advertise`, which is called by `_parse_advertise` before handling the request. As of time of publication, no known patched version exists.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-20 - Improper Input Validation
  • CWE-125 - Out-of-bounds Read
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: <= 2024.04
Create a notification for this product.
Show details on NVD website
To clipboard 

{
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CVE-2024-32018 (GCVE-0-2024-32018)

Vulnerability from nvd – Published: 2024-05-01 06:14 – Updated: 2025-02-13 17:52
VLAI?
Title
Ineffective size check due to assert() and buffer overflow in RIOT
Summary
RIOT is a real-time multi-threading operating system that supports a range of devices that are typically 8-bit, 16-bit and 32-bit microcontrollers. Most codebases define assertion macros which compile to a no-op on non-debug builds. If assertions are the only line of defense against untrusted input, the software may be exposed to attacks that leverage the lack of proper input checks. In detail, in the `nimble_scanlist_update()` function below, `len` is checked in an assertion and subsequently used in a call to `memcpy()`. If an attacker is able to provide a larger `len` value while assertions are compiled-out, they can write past the end of the fixed-length `e->ad` buffer. If the unchecked input above is attacker-controlled and crosses a security boundary, the impact of the buffer overflow vulnerability could range from denial of service to arbitrary code execution. This issue has not yet been patched. Users are advised to add manual `len` checking.
Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: <= 2023.10
Create a notification for this product.
Show details on NVD website
To clipboard 

{
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CVE-2024-32017 (GCVE-0-2024-32017)

Vulnerability from nvd – Published: 2024-05-01 06:14 – Updated: 2025-02-13 17:52
VLAI?
Title
Buffer overflows in RIOT
Summary
RIOT is a real-time multi-threading operating system that supports a range of devices that are typically 8-bit, 16-bit and 32-bit microcontrollers. The size check in the `gcoap_dns_server_proxy_get()` function contains a small typo that may lead to a buffer overflow in the subsequent `strcpy()`. In detail, the length of the `_uri` string is checked instead of the length of the `_proxy` string. The `_gcoap_forward_proxy_copy_options()` function does not implement an explicit size check before copying data to the `cep->req_etag` buffer that is `COAP_ETAG_LENGTH_MAX` bytes long. If an attacker can craft input so that `optlen` becomes larger than `COAP_ETAG_LENGTH_MAX`, they can cause a buffer overflow. If the input above is attacker-controlled and crosses a security boundary, the impact of the buffer overflow vulnerabilities could range from denial of service to arbitrary code execution. This issue has yet to be patched. Users are advised to add manual bounds checking.
Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: <= 2023.10
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2024-31225 (GCVE-0-2024-31225)

Vulnerability from nvd – Published: 2024-05-01 06:13 – Updated: 2025-02-13 17:47
VLAI?
Title
Lack of size check and buffer overflow in RIOT
Summary
RIOT is a real-time multi-threading operating system that supports a range of devices that are typically 8-bit, 16-bit and 32-bit microcontrollers. The `_on_rd_init()` function does not implement a size check before copying data to the `_result_buf` static buffer. If an attacker can craft a long enough payload, they could cause a buffer overflow. If the unchecked input above is attacker-controlled and crosses a security boundary, the impact of the buffer overflow vulnerability could range from denial of service to arbitrary code execution. This issue has yet to be patched. Users are advised to add manual bounds checking.
Severity ?
8.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: <= 2023.10
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-33975 (GCVE-0-2023-33975)

Vulnerability from nvd – Published: 2023-05-30 17:08 – Updated: 2025-01-10 16:53
VLAI?
Title
RIOT-OS vulnerable to Out of Bounds Write in _rbuf_add
Summary
RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. In version 2023.01 and prior, an attacker can send a crafted frame to the device resulting in an out of bounds write in the packet buffer. The overflow can be used to corrupt other packets and the allocator metadata. Corrupting a pointer will easily lead to denial of service. While carefully manipulating the allocator metadata gives an attacker the possibility to write data to arbitrary locations and thus execute arbitrary code. This issue is fixed in pull request 19680. As a workaround, disable support for fragmented IP datagrams.
Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-787 - Out-of-bounds Write
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: <= 2023.01
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-33974 (GCVE-0-2023-33974)

Vulnerability from nvd – Published: 2023-05-30 16:50 – Updated: 2025-01-10 16:53
VLAI?
Title
RIOT-OS vulnerable to Race Condition in SFR Timeout
Summary
RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. In versions 2023.01 and prior, an attacker can send multiple crafted frames to the device to trigger a race condition. The race condition invalidates assumptions about the program state and leads to an invalid memory access resulting in denial of service. This issue is patched in pull request 19679. There are no known workarounds.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: <= 2023.01
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-66647 (GCVE-0-2025-66647)

Vulnerability from cvelistv5 – Published: 2025-12-17 20:21 – Updated: 2025-12-17 20:39
VLAI?
Title
RIOT OS has buffer overflow in gnrc_ipv6_ext_frag_reass
Summary
RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices. A vulnerability was discovered in the IPv6 fragmentation reassembly implementation of RIOT OS v2025.07. When copying the contents of the first fragment (offset=0) into the reassembly buffer, no size check is performed. It is possible to force the creation of a small reassembly buffer by first sending a shorter fragment (also with offset=0). Overflowing the reassembly buffer corrupts the state of other packet buffers which an attacker might be able to used to achieve further memory corruption (potentially resulting in remote code execution). To trigger the vulnerability, the `gnrc_ipv6_ext_frag` module must be included and the attacker must be able to send arbitrary IPv6 packets to the victim. Version 2025.10 fixes the issue.
Severity ?
1.7 (Low)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: < 2025.10
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-66646 (GCVE-0-2025-66646)

Vulnerability from cvelistv5 – Published: 2025-12-17 19:18 – Updated: 2025-12-17 20:30
VLAI?
Title
RIOT-OS has NULL pointer dereference in gnrc_ipv6_ext_frag_reass
Summary
RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices. A vulnerability was discovered in the IPv6 fragmentation reassembly implementation of RIOT OS v2025.07. When receiving an fragmented IPv6 packet with fragment offset 0 and an empty payload, the payload pointer is set to NULL. However, the implementation still tries to copy the payload into the reassembly buffer, resulting in a NULL pointer dereference which crashes the OS (DoS). To trigger the vulnerability, the `gnrc_ipv6_ext_frag` module must be enabled and the attacker must be able to send arbitrary IPv6 packets to the victim. RIOT OS v2025.10 fixes the issue.
Severity ?
1.7 (Low)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: < 2025.10
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-53888 (GCVE-0-2025-53888)

Vulnerability from cvelistv5 – Published: 2025-07-18 15:32 – Updated: 2025-07-18 15:47
VLAI?
Title
RIOT-OS has an ineffective size check that can lead to buffer overflow in link layer address filter /sys/net/link_layer/l2filter/l2filter.c
Summary
RIOT-OS, an operating system that supports Internet of Things devices, has an ineffective size check implemented with `assert()` can lead to buffer overflow in versions up to and including 2025.04. Assertions are usually compiled out in production builds. If assertions are the only defense against untrusted inputs, the software may be exposed to attacks that utilize the lack of proper input checks. In the `l2filter_add()` function shown below, `addr_len` is checked using an assertion and is subsequently used as an argument in a `memcpy()` call. When assertions are disabled, there would be no size check for `addr_len`. As a consequence, if an attacker were to provide an `addr_len` value larger than `CONFIG_L2FILTER_ADDR_MAXLEN`, they can trigger a buffer overflow and write past the `list[i].addr` buffer. If the unchecked input is attacker-controlled, the impact of the buffer overflow can range from a denial of service to arbitrary code execution. Commit f6f7de4ccc107c018630e4c15500825caf02e1c2 contains a patch for the vulnerability.
Severity ?
6.6 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: <= 2025.04
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2024-53980 (GCVE-0-2024-53980)

Vulnerability from cvelistv5 – Published: 2024-11-29 18:56 – Updated: 2024-12-02 11:06
VLAI?
Title
Spoofed length byte traps CC2538 in endless loop
Summary
RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices. A malicious actor can send a IEEE 802.15.4 packet with spoofed length byte and optionally spoofed FCS, which eventually results into an endless loop on a CC2538 as receiver. Before PR #20998, the receiver would check for the location of the CRC bit using the packet length byte by considering all 8 bits, instead of discarding bit 7, which is what the radio does. This then results into reading outside of the RX FIFO. Although it prints an error when attempting to read outside of the RX FIFO, it will continue doing this. This may lead to a discrepancy in the CRC check according to the firmware and the radio. If the CPU judges the CRC as correct and the radio is set to `AUTO_ACK`, when the packet requests and acknowledgment the CPU will go into the state `CC2538_STATE_TX_ACK`. However, if the radio judged the CRC as incorrect, it will not send an acknowledgment, and thus the `TXACKDONE` event will not fire. It will then never return to the state `CC2538_STATE_READY` since the baseband processing is still disabled. Then the CPU will be in an endless loop. Since setting to idle is not forced, it won't do it if the radio's state is not `CC2538_STATE_READY`. A fix has not yet been made.
Severity ?
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CWE
  • CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: <= 2024.07
Create a notification for this product.
Show details on NVD website
To clipboard 

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          "value": "RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices. A malicious actor can send a IEEE 802.15.4 packet with spoofed length byte and optionally spoofed FCS, which eventually results into an endless loop on a CC2538 as receiver. Before PR #20998, the receiver would check for the location of the CRC bit using the packet length byte by considering all 8 bits, instead of discarding bit 7, which is what the radio does. This then results into reading outside of the RX FIFO.  Although it prints an error when attempting to read outside of the RX FIFO, it will continue doing this. This may lead to a discrepancy in the CRC check according to the firmware and the radio. If the CPU judges the CRC as correct and the radio is set to `AUTO_ACK`, when the packet requests and acknowledgment the CPU will go into the state `CC2538_STATE_TX_ACK`. However, if the radio judged the CRC as incorrect, it will not send an acknowledgment, and thus the `TXACKDONE` event will not fire. It will then never return to the state `CC2538_STATE_READY` since the baseband processing is still disabled. Then the CPU will be in an endless loop. Since setting to idle is not forced, it won\u0027t do it if the radio\u0027s state is not `CC2538_STATE_READY`. A fix has not yet been made."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
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            "vulnConfidentialityImpact": "NONE",
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      ],
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              "cweId": "CWE-835",
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              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
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        {
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          ],
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        },
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        },
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        "advisory": "GHSA-m75q-8vj8-wppw",
        "discovery": "UNKNOWN"
      },
      "title": "Spoofed length byte traps CC2538 in endless loop"
    }
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    "dateUpdated": "2024-12-02T11:06:19.121Z",
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CVE-2024-52802 (GCVE-0-2024-52802)

Vulnerability from cvelistv5 – Published: 2024-11-22 15:41 – Updated: 2024-11-25 18:07
VLAI?
Title
RIOT-OS missing dhcpv6_opt_t minimum header length check
Summary
RIOT is an operating system for internet of things (IoT) devices. In version 2024.04 and prior, the function `_parse_advertise`, located in `/sys/net/application_layer/dhcpv6/client.c`, has no minimum header length check for `dhcpv6_opt_t` after processing `dhcpv6_msg_t`. This omission could lead to an out-of-bound read, causing system inconsistency. Additionally, the same lack of a header length check is present in the function `_preparse_advertise`, which is called by `_parse_advertise` before handling the request. As of time of publication, no known patched version exists.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-20 - Improper Input Validation
  • CWE-125 - Out-of-bounds Read
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: <= 2024.04
Create a notification for this product.
Show details on NVD website
To clipboard 

{
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CVE-2024-32018 (GCVE-0-2024-32018)

Vulnerability from cvelistv5 – Published: 2024-05-01 06:14 – Updated: 2025-02-13 17:52
VLAI?
Title
Ineffective size check due to assert() and buffer overflow in RIOT
Summary
RIOT is a real-time multi-threading operating system that supports a range of devices that are typically 8-bit, 16-bit and 32-bit microcontrollers. Most codebases define assertion macros which compile to a no-op on non-debug builds. If assertions are the only line of defense against untrusted input, the software may be exposed to attacks that leverage the lack of proper input checks. In detail, in the `nimble_scanlist_update()` function below, `len` is checked in an assertion and subsequently used in a call to `memcpy()`. If an attacker is able to provide a larger `len` value while assertions are compiled-out, they can write past the end of the fixed-length `e->ad` buffer. If the unchecked input above is attacker-controlled and crosses a security boundary, the impact of the buffer overflow vulnerability could range from denial of service to arbitrary code execution. This issue has not yet been patched. Users are advised to add manual `len` checking.
Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: <= 2023.10
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2024-32017 (GCVE-0-2024-32017)

Vulnerability from cvelistv5 – Published: 2024-05-01 06:14 – Updated: 2025-02-13 17:52
VLAI?
Title
Buffer overflows in RIOT
Summary
RIOT is a real-time multi-threading operating system that supports a range of devices that are typically 8-bit, 16-bit and 32-bit microcontrollers. The size check in the `gcoap_dns_server_proxy_get()` function contains a small typo that may lead to a buffer overflow in the subsequent `strcpy()`. In detail, the length of the `_uri` string is checked instead of the length of the `_proxy` string. The `_gcoap_forward_proxy_copy_options()` function does not implement an explicit size check before copying data to the `cep->req_etag` buffer that is `COAP_ETAG_LENGTH_MAX` bytes long. If an attacker can craft input so that `optlen` becomes larger than `COAP_ETAG_LENGTH_MAX`, they can cause a buffer overflow. If the input above is attacker-controlled and crosses a security boundary, the impact of the buffer overflow vulnerabilities could range from denial of service to arbitrary code execution. This issue has yet to be patched. Users are advised to add manual bounds checking.
Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: <= 2023.10
Create a notification for this product.
Show details on NVD website
To clipboard 

{
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CVE-2024-31225 (GCVE-0-2024-31225)

Vulnerability from cvelistv5 – Published: 2024-05-01 06:13 – Updated: 2025-02-13 17:47
VLAI?
Title
Lack of size check and buffer overflow in RIOT
Summary
RIOT is a real-time multi-threading operating system that supports a range of devices that are typically 8-bit, 16-bit and 32-bit microcontrollers. The `_on_rd_init()` function does not implement a size check before copying data to the `_result_buf` static buffer. If an attacker can craft a long enough payload, they could cause a buffer overflow. If the unchecked input above is attacker-controlled and crosses a security boundary, the impact of the buffer overflow vulnerability could range from denial of service to arbitrary code execution. This issue has yet to be patched. Users are advised to add manual bounds checking.
Severity ?
8.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: <= 2023.10
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-33975 (GCVE-0-2023-33975)

Vulnerability from cvelistv5 – Published: 2023-05-30 17:08 – Updated: 2025-01-10 16:53
VLAI?
Title
RIOT-OS vulnerable to Out of Bounds Write in _rbuf_add
Summary
RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. In version 2023.01 and prior, an attacker can send a crafted frame to the device resulting in an out of bounds write in the packet buffer. The overflow can be used to corrupt other packets and the allocator metadata. Corrupting a pointer will easily lead to denial of service. While carefully manipulating the allocator metadata gives an attacker the possibility to write data to arbitrary locations and thus execute arbitrary code. This issue is fixed in pull request 19680. As a workaround, disable support for fragmented IP datagrams.
Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-787 - Out-of-bounds Write
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: <= 2023.01
Create a notification for this product.
Show details on NVD website
To clipboard 

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          ],
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        },
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CVE-2023-33974 (GCVE-0-2023-33974)

Vulnerability from cvelistv5 – Published: 2023-05-30 16:50 – Updated: 2025-01-10 16:53
VLAI?
Title
RIOT-OS vulnerable to Race Condition in SFR Timeout
Summary
RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. In versions 2023.01 and prior, an attacker can send multiple crafted frames to the device to trigger a race condition. The race condition invalidates assumptions about the program state and leads to an invalid memory access resulting in denial of service. This issue is patched in pull request 19679. There are no known workarounds.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: <= 2023.01
Create a notification for this product.
Show details on NVD website
To clipboard 

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FKIE_CVE-2025-53888

Vulnerability from fkie_nvd - Published: 2025-07-18 16:15 - Updated: 2025-09-11 19:39
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
RIOT-OS, an operating system that supports Internet of Things devices, has an ineffective size check implemented with `assert()` can lead to buffer overflow in versions up to and including 2025.04. Assertions are usually compiled out in production builds. If assertions are the only defense against untrusted inputs, the software may be exposed to attacks that utilize the lack of proper input checks. In the `l2filter_add()` function shown below, `addr_len` is checked using an assertion and is subsequently used as an argument in a `memcpy()` call. When assertions are disabled, there would be no size check for `addr_len`. As a consequence, if an attacker were to provide an `addr_len` value larger than `CONFIG_L2FILTER_ADDR_MAXLEN`, they can trigger a buffer overflow and write past the `list[i].addr` buffer. If the unchecked input is attacker-controlled, the impact of the buffer overflow can range from a denial of service to arbitrary code execution. Commit f6f7de4ccc107c018630e4c15500825caf02e1c2 contains a patch for the vulnerability.
References
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/2025.04/sys/net/link_layer/l2filter/l2filter.c#L47Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/commit/f6f7de4ccc107c018630e4c15500825caf02e1c2Patch
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/security/advisories/GHSA-7972-w7f9-3j9mExploit, Vendor Advisory
Impacted products
Vendor Product Version
riot-os riot *
To clipboard 

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FKIE_CVE-2024-53980

Vulnerability from fkie_nvd - Published: 2024-11-29 19:15 - Updated: 2025-09-05 13:57
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices. A malicious actor can send a IEEE 802.15.4 packet with spoofed length byte and optionally spoofed FCS, which eventually results into an endless loop on a CC2538 as receiver. Before PR #20998, the receiver would check for the location of the CRC bit using the packet length byte by considering all 8 bits, instead of discarding bit 7, which is what the radio does. This then results into reading outside of the RX FIFO. Although it prints an error when attempting to read outside of the RX FIFO, it will continue doing this. This may lead to a discrepancy in the CRC check according to the firmware and the radio. If the CPU judges the CRC as correct and the radio is set to `AUTO_ACK`, when the packet requests and acknowledgment the CPU will go into the state `CC2538_STATE_TX_ACK`. However, if the radio judged the CRC as incorrect, it will not send an acknowledgment, and thus the `TXACKDONE` event will not fire. It will then never return to the state `CC2538_STATE_READY` since the baseband processing is still disabled. Then the CPU will be in an endless loop. Since setting to idle is not forced, it won't do it if the radio's state is not `CC2538_STATE_READY`. A fix has not yet been made.
References
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/1a418ccfedeb79dbce1d79f49e63a28906184794/cpu/cc2538/radio/cc2538_rf_radio_ops.c#L183Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/1a418ccfedeb79dbce1d79f49e63a28906184794/cpu/cc2538/radio/cc2538_rf_radio_ops.c#L417Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/1a418ccfedeb79dbce1d79f49e63a28906184794/cpu/cc2538/radio/cc2538_rf_radio_ops.c#L419Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/1a418ccfedeb79dbce1d79f49e63a28906184794/cpu/cc2538/radio/cc2538_rf_radio_ops.c#L421-L422Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/1a418ccfedeb79dbce1d79f49e63a28906184794/sys/net/link_layer/ieee802154/submac.c#L149Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/pull/20998Issue Tracking, Patch
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/security/advisories/GHSA-m75q-8vj8-wppwExploit, Vendor Advisory
Impacted products
Vendor Product Version
riot-os riot *
To clipboard 

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      "value": "RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices. A malicious actor can send a IEEE 802.15.4 packet with spoofed length byte and optionally spoofed FCS, which eventually results into an endless loop on a CC2538 as receiver. Before PR #20998, the receiver would check for the location of the CRC bit using the packet length byte by considering all 8 bits, instead of discarding bit 7, which is what the radio does. This then results into reading outside of the RX FIFO.  Although it prints an error when attempting to read outside of the RX FIFO, it will continue doing this. This may lead to a discrepancy in the CRC check according to the firmware and the radio. If the CPU judges the CRC as correct and the radio is set to `AUTO_ACK`, when the packet requests and acknowledgment the CPU will go into the state `CC2538_STATE_TX_ACK`. However, if the radio judged the CRC as incorrect, it will not send an acknowledgment, and thus the `TXACKDONE` event will not fire. It will then never return to the state `CC2538_STATE_READY` since the baseband processing is still disabled. Then the CPU will be in an endless loop. Since setting to idle is not forced, it won\u0027t do it if the radio\u0027s state is not `CC2538_STATE_READY`. A fix has not yet been made."
    },
    {
      "lang": "es",
      "value": "RIOT es un microcontrolador de c\u00f3digo abierto que opera con sistema, dise\u00f1ado para cumplir con los requisitos de los dispositivos de Internet de las cosas (IoT) y otros dispositivos integrados. Un actor malintencionado puede enviar un paquete IEEE 802.15.4 con un byte de longitud falsificado y, opcionalmente, un FCS falsificado, lo que eventualmente da como resultado un bucle sin fin en un CC2538 como receptor. Antes de la PR n.\u00b0 20998, el receptor verificaba la ubicaci\u00f3n del bit CRC utilizando el byte de longitud del paquete al considerar los 8 bits, en lugar de descartar el bit 7, que es lo que hace la radio. Esto luego da como resultado una lectura fuera del FIFO RX. Aunque imprime un error al intentar leer fuera del FIFO RX, continuar\u00e1 haci\u00e9ndolo. Esto puede generar una discrepancia en la verificaci\u00f3n de CRC seg\u00fan el firmware y la radio. Si la CPU juzga que el CRC es correcto y la radio est\u00e1 configurada en `AUTO_ACK`, cuando se solicita el paquete y se confirma el acuse de recibo, la CPU pasar\u00e1 al estado `CC2538_STATE_TX_ACK`. Sin embargo, si la radio juzga que el CRC es incorrecto, no enviar\u00e1 un acuse de recibo y, por lo tanto, el evento `TXACKDONE` no se activar\u00e1. Entonces, nunca volver\u00e1 al estado `CC2538_STATE_READY` ya que el procesamiento de banda base a\u00fan est\u00e1 deshabilitado. Entonces, la CPU estar\u00e1 en un bucle sin fin. Dado que la configuraci\u00f3n en inactivo no es forzada, no lo har\u00e1 si el estado de la radio no es `CC2538_STATE_READY`. Todav\u00eda no se ha realizado una soluci\u00f3n."
    }
  ],
  "id": "CVE-2024-53980",
  "lastModified": "2025-09-05T13:57:24.993",
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          "exploitMaturity": "NOT_DEFINED",
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          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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        "source": "security-advisories@github.com",
        "type": "Secondary"
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    ]
  },
  "published": "2024-11-29T19:15:09.993",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
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      ],
      "url": "https://github.com/RIOT-OS/RIOT/blob/1a418ccfedeb79dbce1d79f49e63a28906184794/cpu/cc2538/radio/cc2538_rf_radio_ops.c#L183"
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}

FKIE_CVE-2024-52802

Vulnerability from fkie_nvd - Published: 2024-11-22 16:15 - Updated: 2025-09-04 23:42
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
RIOT is an operating system for internet of things (IoT) devices. In version 2024.04 and prior, the function `_parse_advertise`, located in `/sys/net/application_layer/dhcpv6/client.c`, has no minimum header length check for `dhcpv6_opt_t` after processing `dhcpv6_msg_t`. This omission could lead to an out-of-bound read, causing system inconsistency. Additionally, the same lack of a header length check is present in the function `_preparse_advertise`, which is called by `_parse_advertise` before handling the request. As of time of publication, no known patched version exists.
References
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/security/advisories/GHSA-xgv3-pcq6-qmrgExploit, Vendor Advisory
Impacted products
Vendor Product Version
riot-os riot *
To clipboard 

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    },
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      "lang": "es",
      "value": "RIOT es un sistema operativo para dispositivos de Internet de las cosas (IoT). En la versi\u00f3n 2024.04 y anteriores, la funci\u00f3n `_parse_advertise`, ubicada en `/sys/net/application_layer/dhcpv6/client.c`, no tiene una verificaci\u00f3n de longitud de encabezado m\u00ednima para `dhcpv6_opt_t` despu\u00e9s de procesar `dhcpv6_msg_t`. Esta omisi\u00f3n podr\u00eda provocar una lectura fuera de los l\u00edmites, lo que causar\u00eda una inconsistencia en el sistema. Adem\u00e1s, la misma falta de una verificaci\u00f3n de longitud de encabezado est\u00e1 presente en la funci\u00f3n `_preparse_advertise`, que es llamada por `_parse_advertise` antes de procesar la solicitud. Al momento de la publicaci\u00f3n, no existe ninguna versi\u00f3n parcheada conocida."
    }
  ],
  "id": "CVE-2024-52802",
  "lastModified": "2025-09-04T23:42:07.727",
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FKIE_CVE-2024-32017

Vulnerability from fkie_nvd - Published: 2024-05-01 07:15 - Updated: 2025-09-04 19:37
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.0 (Critical) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Summary
RIOT is a real-time multi-threading operating system that supports a range of devices that are typically 8-bit, 16-bit and 32-bit microcontrollers. The size check in the `gcoap_dns_server_proxy_get()` function contains a small typo that may lead to a buffer overflow in the subsequent `strcpy()`. In detail, the length of the `_uri` string is checked instead of the length of the `_proxy` string. The `_gcoap_forward_proxy_copy_options()` function does not implement an explicit size check before copying data to the `cep->req_etag` buffer that is `COAP_ETAG_LENGTH_MAX` bytes long. If an attacker can craft input so that `optlen` becomes larger than `COAP_ETAG_LENGTH_MAX`, they can cause a buffer overflow. If the input above is attacker-controlled and crosses a security boundary, the impact of the buffer overflow vulnerabilities could range from denial of service to arbitrary code execution. This issue has yet to be patched. Users are advised to add manual bounds checking.
References
security-advisories@github.comhttp://seclists.org/fulldisclosure/2024/May/7Mailing List, Third Party Advisory
security-advisories@github.comhttp://www.openwall.com/lists/oss-security/2024/05/07/3Mailing List, Third Party Advisory
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/master/sys/net/application_layer/gcoap/dns.c#L319-L325Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/master/sys/net/application_layer/gcoap/forward_proxy.c#L352Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/security/advisories/GHSA-v97j-w9m6-c4h3Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/May/7Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/05/07/3Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/master/sys/net/application_layer/gcoap/dns.c#L319-L325Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/master/sys/net/application_layer/gcoap/forward_proxy.c#L352Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-v97j-w9m6-c4h3Exploit, Vendor Advisory
Impacted products
Vendor Product Version
riot-os riot *
To clipboard 

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    },
    {
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}

FKIE_CVE-2024-32018

Vulnerability from fkie_nvd - Published: 2024-05-01 07:15 - Updated: 2025-09-05 13:17
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.0 (Critical) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Summary
RIOT is a real-time multi-threading operating system that supports a range of devices that are typically 8-bit, 16-bit and 32-bit microcontrollers. Most codebases define assertion macros which compile to a no-op on non-debug builds. If assertions are the only line of defense against untrusted input, the software may be exposed to attacks that leverage the lack of proper input checks. In detail, in the `nimble_scanlist_update()` function below, `len` is checked in an assertion and subsequently used in a call to `memcpy()`. If an attacker is able to provide a larger `len` value while assertions are compiled-out, they can write past the end of the fixed-length `e->ad` buffer. If the unchecked input above is attacker-controlled and crosses a security boundary, the impact of the buffer overflow vulnerability could range from denial of service to arbitrary code execution. This issue has not yet been patched. Users are advised to add manual `len` checking.
References
security-advisories@github.comhttp://seclists.org/fulldisclosure/2024/May/7Mailing List, Third Party Advisory
security-advisories@github.comhttp://www.openwall.com/lists/oss-security/2024/05/07/3Mailing List, Third Party Advisory
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/master/pkg/nimble/scanlist/nimble_scanlist.c#L74-L87Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/security/advisories/GHSA-899m-q6pp-hmp3Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/May/7Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/05/07/3Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/master/pkg/nimble/scanlist/nimble_scanlist.c#L74-L87Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-899m-q6pp-hmp3Exploit, Vendor Advisory
Impacted products
Vendor Product Version
riot-os riot *
To clipboard 

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FKIE_CVE-2024-31225

Vulnerability from fkie_nvd - Published: 2024-05-01 07:15 - Updated: 2025-09-04 14:10
Severity ?
8.3 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
9.0 (Critical) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Summary
RIOT is a real-time multi-threading operating system that supports a range of devices that are typically 8-bit, 16-bit and 32-bit microcontrollers. The `_on_rd_init()` function does not implement a size check before copying data to the `_result_buf` static buffer. If an attacker can craft a long enough payload, they could cause a buffer overflow. If the unchecked input above is attacker-controlled and crosses a security boundary, the impact of the buffer overflow vulnerability could range from denial of service to arbitrary code execution. This issue has yet to be patched. Users are advised to add manual bounds checking.
References
security-advisories@github.comhttp://seclists.org/fulldisclosure/2024/May/7Mailing List, Third Party Advisory
security-advisories@github.comhttp://www.openwall.com/lists/oss-security/2024/05/07/3Mailing List, Third Party Advisory
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/master/sys/net/application_layer/cord/lc/cord_lc.c#L218Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/security/advisories/GHSA-2572-7q7c-3965Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/May/7Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/05/07/3Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/master/sys/net/application_layer/cord/lc/cord_lc.c#L218Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-2572-7q7c-3965Exploit, Vendor Advisory
Impacted products
Vendor Product Version
riot-os riot *
To clipboard 

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FKIE_CVE-2023-33975

Vulnerability from fkie_nvd - Published: 2023-05-30 18:15 - Updated: 2024-11-21 08:06
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. In version 2023.01 and prior, an attacker can send a crafted frame to the device resulting in an out of bounds write in the packet buffer. The overflow can be used to corrupt other packets and the allocator metadata. Corrupting a pointer will easily lead to denial of service. While carefully manipulating the allocator metadata gives an attacker the possibility to write data to arbitrary locations and thus execute arbitrary code. This issue is fixed in pull request 19680. As a workaround, disable support for fragmented IP datagrams.
References
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L320Vendor Advisory
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L388Vendor Advisory
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L463Vendor Advisory
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L467Vendor Advisory
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L480Vendor Advisory
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/commit/1aeb90ee5555ae78b567a6365ae4ab71bfd1404bVendor Advisory
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/pull/19680Patch, Vendor Advisory
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/security/advisories/GHSA-f6ff-g7mh-58q4Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L320Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L388Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L463Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L467Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L480Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/commit/1aeb90ee5555ae78b567a6365ae4ab71bfd1404bVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/pull/19680Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-f6ff-g7mh-58q4Exploit, Vendor Advisory
Impacted products
Vendor Product Version
riot-os riot *
To clipboard 

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  ],
  "id": "CVE-2023-33975",
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}

FKIE_CVE-2023-33974

Vulnerability from fkie_nvd - Published: 2023-05-30 17:15 - Updated: 2024-11-21 08:06
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. In versions 2023.01 and prior, an attacker can send multiple crafted frames to the device to trigger a race condition. The race condition invalidates assumptions about the program state and leads to an invalid memory access resulting in denial of service. This issue is patched in pull request 19679. There are no known workarounds.
References
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L1717Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L509Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L617Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/master/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L1586Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/master/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L404Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/commit/31c6191f6196f1a05c9765cffeadba868e3b0723Patch
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/pull/19679Patch
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/security/advisories/GHSA-8m3w-mphf-wxm8Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L1717Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L509Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L617Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/master/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L1586Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/master/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L404Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/commit/31c6191f6196f1a05c9765cffeadba868e3b0723Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/pull/19679Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-8m3w-mphf-wxm8Vendor Advisory
Impacted products
Vendor Product Version
riot-os riot *
To clipboard 

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          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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  "vulnStatus": "Modified",
  "weaknesses": [
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        }
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      "type": "Secondary"
    },
    {
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        {
          "lang": "en",
          "value": "CWE-362"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

FKIE_CVE-2023-33973

Vulnerability from fkie_nvd - Published: 2023-05-30 17:15 - Updated: 2024-11-21 08:06
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. In versions 2023.01 and prior, an attacker can send a crafted frame which is forwarded by the device. During encoding of the packet a NULL pointer dereference occurs. This crashes the device leading to denial of service. A patch is available at pull request 19678. There are no known workarounds.
References
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L1067Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L1495Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L1511Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L1644Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L1655Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/commit/c9d7863e5664a169035038628029bb07e090c5ffPatch
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/pull/19678Issue Tracking, Patch
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/security/advisories/GHSA-r2pv-3jqc-vh7wVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L1067Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L1495Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L1511Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L1644Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/f41b4b67b6affca0a8b32edced7f51088696869a/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L1655Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/commit/c9d7863e5664a169035038628029bb07e090c5ffPatch
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/pull/19678Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-r2pv-3jqc-vh7wVendor Advisory
Impacted products
Vendor Product Version
riot-os riot *
To clipboard 

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          "cpeMatch": [
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              "criteria": "cpe:2.3:o:riot-os:riot:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E3ECD3F7-1DD5-430A-B5E7-50FDFE044CF7",
              "versionEndIncluding": "2023.01",
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    }
  ],
  "id": "CVE-2023-33973",
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  "metrics": {
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}

FKIE_CVE-2023-24826

Vulnerability from fkie_nvd - Published: 2023-05-30 17:15 - Updated: 2024-11-21 07:48
Severity ?
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to version 2023.04, an attacker can send crafted frames to the device to trigger the usage of an uninitialized object leading to denial of service. This issue is fixed in version 2023.04. As a workaround, disable fragment forwarding or SFR.
References
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/ccbb304eae7b59e8aca24a6ffd095b5b3f7720ee/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L402Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/blob/ccbb304eae7b59e8aca24a6ffd095b5b3f7720ee/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L420Product
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/commit/287f030af20e829469cdf740606148018a5a220dPatch
security-advisories@github.comhttps://github.com/RIOT-OS/RIOT/security/advisories/GHSA-xfj4-9g7w-f4ghVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/ccbb304eae7b59e8aca24a6ffd095b5b3f7720ee/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L402Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/blob/ccbb304eae7b59e8aca24a6ffd095b5b3f7720ee/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L420Product
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/commit/287f030af20e829469cdf740606148018a5a220dPatch
af854a3a-2127-422b-91ae-364da2661108https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-xfj4-9g7w-f4ghVendor Advisory
Impacted products
Vendor Product Version
riot-os riot *
To clipboard 

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              "matchCriteriaId": "3563E17A-D38F-412B-8C65-733C4439DE19",
              "versionEndExcluding": "2023.04",
              "vulnerable": true
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    }
  ],
  "id": "CVE-2023-24826",
  "lastModified": "2024-11-21T07:48:28.400",
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          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
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        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
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          "userInteraction": "NONE",
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        },
        "exploitabilityScore": 3.9,
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  },
  "published": "2023-05-30T17:15:09.983",
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    },
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    },
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  "vulnStatus": "Modified",
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}