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147 vulnerabilities
CVE-2026-1678 (GCVE-0-2026-1678)
Vulnerability from cvelistv5 – Published: 2026-03-05 06:21 – Updated: 2026-03-05 15:28
VLAI?
Title
dns: memory‑safety issue in the DNS name parser
Summary
dns_unpack_name() caches the buffer tailroom once and reuses it while appending DNS labels. As the buffer grows, the cached size becomes incorrect, and the final null terminator can be written past the buffer. With assertions disabled (default), a malicious DNS response can trigger an out-of-bounds write when CONFIG_DNS_RESOLVER is enabled.
Severity ?
9.4 (Critical)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 4.3
(git)
|
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CVE-2025-12899 (GCVE-0-2025-12899)
Vulnerability from cvelistv5 – Published: 2026-01-30 05:34 – Updated: 2026-01-30 14:47
VLAI?
Title
net: icmp: Out of bound memory read
Summary
A flaw in Zephyr’s network stack allows an IPv4 packet containing ICMP type 128 to be misclassified as an ICMPv6 Echo Request. This results in an out-of-bounds memory read and creates a potential information-leak vulnerability in the networking subsystem.
Severity ?
6.5 (Medium)
CWE
- CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 4.2
(git)
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CVE-2025-12035 (GCVE-0-2025-12035)
Vulnerability from cvelistv5 – Published: 2025-12-15 19:42 – Updated: 2025-12-15 20:29
VLAI?
Title
Bluetooth: Integer Overflow in Bluetooth Classic (BR/EDR) L2CAP
Summary
An integer overflow condition exists in Bluetooth Host stack, within the bt_br_acl_recv routine a critical path for processing inbound BR/EDR L2CAP traffic.
Severity ?
6.5 (Medium)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 4.2
(git)
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CVE-2025-9557 (GCVE-0-2025-9557)
Vulnerability from cvelistv5 – Published: 2025-11-26 05:43 – Updated: 2025-11-26 14:11
VLAI?
Title
Bluetooth: Mesh: Out-of-Bound Write in gen_prov_cont
Summary
An out-of-bound write can lead to an arbitrary code execution. Even on devices with some form of memory protection, this can still lead to a crash and a resultant denial of service.
Severity ?
7.6 (High)
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 4.2
(git)
|
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CVE-2025-9558 (GCVE-0-2025-9558)
Vulnerability from cvelistv5 – Published: 2025-11-26 05:39 – Updated: 2025-11-26 14:12
VLAI?
Title
Bluetooth: Mesh: Out-of-Bound Write in gen_prov_start
Summary
There is a potential OOB Write vulnerability in the gen_prov_start function in pb_adv.c. The full length of the received data is copied into the link.rx.buf receiver buffer without any validation on the data size.
Severity ?
7.6 (High)
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 4.2
(git)
|
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CVE-2025-9408 (GCVE-0-2025-9408)
Vulnerability from cvelistv5 – Published: 2025-11-11 15:34 – Updated: 2025-11-12 20:02
VLAI?
Title
Userspace privilege escalation vulnerability on Cortex M
Summary
System call entry on Cortex M (and possibly R and A, but I think not) has a race which allows very practical privilege escalation for malicious userspace processes.
Severity ?
8.2 (High)
CWE
- CWE-270 - Privilege Context Switching Error
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 4.2
(git)
|
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CVE-2025-12890 (GCVE-0-2025-12890)
Vulnerability from cvelistv5 – Published: 2025-11-07 18:40 – Updated: 2025-11-10 20:19
VLAI?
Title
Bluetooth: peripheral: Invalid handling of malformed connection request
Summary
Improper handling of malformed Connection Request with the interval set to be 1 (which supposed to be illegal) and the chM 0x7CFFFFFFFF triggers a crash. The peripheral will not be connectable after it.
Severity ?
6.5 (Medium)
CWE
- CWE-703 - Improper Check or Handling of Exceptional Conditions
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 4.1
(git)
|
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CVE-2025-10456 (GCVE-0-2025-10456)
Vulnerability from cvelistv5 – Published: 2025-09-19 05:21 – Updated: 2025-09-19 11:57
VLAI?
Title
Bluetooth: Semi-Arbitrary ability to make the BLE Target send disconnection requests
Summary
A vulnerability was identified in the handling of Bluetooth Low Energy (BLE) fixed channels (such as SMP or ATT). Specifically, an attacker could exploit a flaw that causes the BLE target (i.e., the device under attack) to attempt to disconnect a fixed channel, which is not allowed per the Bluetooth specification. This leads to undefined behavior, including potential assertion failures, crashes, or memory corruption, depending on the BLE stack implementation.
Severity ?
7.1 (High)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 4.1.0
(git)
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CVE-2025-10458 (GCVE-0-2025-10458)
Vulnerability from cvelistv5 – Published: 2025-09-19 05:20 – Updated: 2025-09-19 13:08
VLAI?
Title
Bluetooth: le_conn_rsp does not sanitize CID, MTU, MPS values
Summary
Parameters are not validated or sanitized, and are later used in various internal operations.
Severity ?
7.6 (High)
CWE
- CWE-130 - Improper Handling of Length Parameter Inconsistency
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 4.1.0
(git)
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CVE-2025-7403 (GCVE-0-2025-7403)
Vulnerability from cvelistv5 – Published: 2025-09-19 05:19 – Updated: 2025-09-19 13:09
VLAI?
Title
Bluetooth: bt_conn_tx_processor unsafe handling
Summary
Unsafe handling in bt_conn_tx_processor causes a use-after-free, resulting in a write-before-zero. The written 4 bytes are attacker-controlled, enabling precise memory corruption.
Severity ?
7.6 (High)
CWE
- CWE-123 - Write-what-where Condition
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 4.1
(git)
|
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CVE-2025-10457 (GCVE-0-2025-10457)
Vulnerability from cvelistv5 – Published: 2025-09-19 05:17 – Updated: 2025-09-19 13:09
VLAI?
Title
Bluetooth: Out-Of-Context le_conn_rsp Handling
Summary
The function responsible for handling BLE connection responses does not verify whether a response is expected—that is, whether the device has initiated a connection request. Instead, it relies solely on identifier matching.
Severity ?
4.3 (Medium)
CWE
- CWE-358 - Improperly Implemented Security Check for Standard
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 4.1.0
(git)
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CVE-2025-2962 (GCVE-0-2025-2962)
Vulnerability from cvelistv5 – Published: 2025-06-24 05:32 – Updated: 2025-06-24 14:22
VLAI?
Title
Infinite loop in dns_copy_qname
Summary
A denial-of-service issue in the dns implemenation could cause an infinite loop.
Severity ?
8.2 (High)
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 4.1.0
(git)
Affected: * , ≤ 3.7.1 (git) |
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CVE-2025-1675 (GCVE-0-2025-1675)
Vulnerability from cvelistv5 – Published: 2025-02-25 07:22 – Updated: 2025-02-28 17:02
VLAI?
Title
Out of bounds read in dns_copy_qname
Summary
The function dns_copy_qname in dns_pack.c performs performs a memcpy operation with an untrusted field and does not check if the source buffer is large enough to contain the copied data.
Severity ?
8.2 (High)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 4.0
(git)
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CVE-2025-1674 (GCVE-0-2025-1674)
Vulnerability from cvelistv5 – Published: 2025-02-25 07:18 – Updated: 2025-02-28 17:04
VLAI?
Title
Out of bounds read when unpacking DNS answers
Summary
A lack of input validation allows for out of bounds reads caused by malicious or malformed packets.
Severity ?
8.2 (High)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 4.0
(git)
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CVE-2025-1673 (GCVE-0-2025-1673)
Vulnerability from cvelistv5 – Published: 2025-02-25 07:12 – Updated: 2025-02-28 17:04
VLAI?
Title
Out of bounds read when calling crc16_ansi and strlen in dns_validate_msg
Summary
A malicious or malformed DNS packet without a payload can cause an out-of-bounds read, resulting in a crash (denial of service) or an incorrect computation.
Severity ?
8.2 (High)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 4.0
(git)
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CVE-2024-10395 (GCVE-0-2024-10395)
Vulnerability from cvelistv5 – Published: 2025-02-03 06:59 – Updated: 2025-02-03 16:58
VLAI?
Title
net: lib: http_server: Buffer Under-read
Summary
No proper validation of the length of user input in http_server_get_content_type_from_extension.
Severity ?
8.6 (High)
CWE
- CWE-127 - Buffer Under-read
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 3.7
(git)
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CVE-2024-8798 (GCVE-0-2024-8798)
Vulnerability from cvelistv5 – Published: 2024-12-15 23:23 – Updated: 2025-09-17 05:27
VLAI?
Title
Bluetooth: classic: avdtp: missing buffer length check
Summary
No proper validation of the length of user input in olcp_ind_handler in zephyr/subsys/bluetooth/services/ots/ots_client.c.
Severity ?
7.5 (High)
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 3.7
(git)
|
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CVE-2024-11263 (GCVE-0-2024-11263)
Vulnerability from cvelistv5 – Published: 2024-11-15 22:53 – Updated: 2024-11-18 17:45
VLAI?
Title
arch: riscv: userspace: potential security risk when CONFIG_RISCV_GP=y
Summary
When the Global Pointer (GP) relative addressing is enabled (CONFIG_RISCV_GP=y), the gp reg points at 0x800 bytes past the start of the .sdata section which is then used by the linker to relax accesses to global symbols.
Severity ?
9.4 (Critical)
CWE
- CWE-270 - Privilege Context Switching Error
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 3.7
(git)
|
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CVE-2024-6444 (GCVE-0-2024-6444)
Vulnerability from cvelistv5 – Published: 2024-10-04 06:14 – Updated: 2024-10-04 13:49
VLAI?
Title
Bluetooth: ots: missing buffer length check
Summary
No proper validation of the length of user input in olcp_ind_handler in zephyr/subsys/bluetooth/services/ots/ots_client.c.
Severity ?
6.3 (Medium)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 3.6
(git)
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CVE-2024-6443 (GCVE-0-2024-6443)
Vulnerability from cvelistv5 – Published: 2024-10-04 05:56 – Updated: 2024-10-04 13:50
VLAI?
Title
zephyr: out-of-bound read in utf8_trunc
Summary
In utf8_trunc in zephyr/lib/utils/utf8.c, last_byte_p can point to one byte before the string pointer if the string is empty.
Severity ?
6.3 (Medium)
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 3.6
(git)
|
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CVE-2024-6442 (GCVE-0-2024-6442)
Vulnerability from cvelistv5 – Published: 2024-10-04 05:36 – Updated: 2024-10-04 13:52
VLAI?
Title
Bluetooth: ASCS Unchecked tailroom of the response buffer
Summary
In ascs_cp_rsp_add in /subsys/bluetooth/audio/ascs.c, an unchecked tailroom could lead to a global buffer overflow.
Severity ?
6.3 (Medium)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 3.6
(git)
|
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CVE-2024-6259 (GCVE-0-2024-6259)
Vulnerability from cvelistv5 – Published: 2024-09-13 20:17 – Updated: 2025-09-17 14:07
VLAI?
Title
BT: HCI: adv_ext_report Improper discarding in adv_ext_report
Summary
BT: HCI: adv_ext_report Improper discarding in adv_ext_report
Severity ?
7.6 (High)
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 3.6
(git)
|
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CVE-2024-6137 (GCVE-0-2024-6137)
Vulnerability from cvelistv5 – Published: 2024-09-13 20:06 – Updated: 2025-09-17 14:09
VLAI?
Title
BT: Classic: SDP OOB access in get_att_search_list
Summary
BT: Classic: SDP OOB access in get_att_search_list
Severity ?
7.6 (High)
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 3.6
(git)
|
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CVE-2024-6135 (GCVE-0-2024-6135)
Vulnerability from cvelistv5 – Published: 2024-09-13 19:51 – Updated: 2024-09-16 14:47
VLAI?
Title
BT:Classic: Multiple missing buf length checks
Summary
BT:Classic: Multiple missing buf length checks
Severity ?
7.6 (High)
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 3.6
(git)
|
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CVE-2024-5931 (GCVE-0-2024-5931)
Vulnerability from cvelistv5 – Published: 2024-09-13 19:41 – Updated: 2025-09-17 05:08
VLAI?
Title
BT: Unchecked user input in bap_broadcast_assistant
Summary
BT: Unchecked user input in bap_broadcast_assistant
Severity ?
6.3 (Medium)
CWE
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 3.6
(git)
|
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CVE-2024-6258 (GCVE-0-2024-6258)
Vulnerability from cvelistv5 – Published: 2024-09-13 19:05 – Updated: 2025-09-17 05:19
VLAI?
Title
BT: Missing length checks of net_buf in rfcomm_handle_data
Summary
BT: Missing length checks of net_buf in rfcomm_handle_data
Severity ?
6.8 (Medium)
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 3.6
(git)
|
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CVE-2024-5754 (GCVE-0-2024-5754)
Vulnerability from cvelistv5 – Published: 2024-09-13 18:50 – Updated: 2025-09-17 14:09
VLAI?
Title
BT: Encryption procedure host vulnerability
Summary
BT: Encryption procedure host vulnerability
Severity ?
8.2 (High)
CWE
- CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 3.6
(git)
|
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CVE-2024-4785 (GCVE-0-2024-4785)
Vulnerability from cvelistv5 – Published: 2024-08-19 22:10 – Updated: 2025-09-17 05:02
VLAI?
Title
BT: Missing Check in LL_CONNECTION_UPDATE_IND Packet Leads to Division by Zero
Summary
BT: Missing Check in LL_CONNECTION_UPDATE_IND Packet Leads to Division by Zero
Severity ?
7.6 (High)
CWE
- CWE-369 - Divide By Zero
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 3.6
(git)
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CVE-2024-3332 (GCVE-0-2024-3332)
Vulnerability from cvelistv5 – Published: 2024-07-03 16:44 – Updated: 2024-08-01 20:05
VLAI?
Title
bt: host/smp: DoS caused by null pointer dereference
Summary
A malicious BLE device can send a specific order of packet sequence to cause a DoS attack on the victim BLE device
Severity ?
6.5 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 3.6
(git)
|
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CVE-2024-3077 (GCVE-0-2024-3077)
Vulnerability from cvelistv5 – Published: 2024-03-29 05:06 – Updated: 2024-08-01 19:32
VLAI?
Title
Bluetooth: integer underflow in gatt_find_info_rsp
Summary
An malicious BLE device can crash BLE victim device by sending malformed gatt packet
Severity ?
6.8 (Medium)
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| zephyrproject-rtos | Zephyr |
Affected:
* , ≤ 3.6
(git)
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