Common Weakness Enumeration
CWE-416
AllowedUse After Free
Abstraction: Variant · Status: Stable
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
9979 vulnerabilities reference this CWE, most recent first.
CVE-2022-4382 (GCVE-0-2022-4382)
Vulnerability from cvelistv5 – Published: 2023-01-10 00:00 – Updated: 2025-04-09 15:34
VLAI
EPSS
VEX
Summary
A use-after-free flaw caused by a race among the superblock operations in the gadgetfs Linux driver was found. It could be triggered by yanking out a device that is running the gadgetfs side.
Severity
6.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Linux kernel |
Affected:
unknown
|
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CVE-2022-4379 (GCVE-0-2022-4379)
Vulnerability from cvelistv5 – Published: 2023-01-10 00:00 – Updated: 2025-04-08 18:40
VLAI
EPSS
VEX
Summary
A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allows an attacker to conduct a remote denial
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
7 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Linux kernel |
Affected:
Linux kernel through v6.1-rc8
|
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CVE-2022-4292 (GCVE-0-2022-4292)
Vulnerability from cvelistv5 – Published: 2022-12-05 00:00 – Updated: 2025-04-14 17:55
VLAI
EPSS
VEX
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.0882.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
5 references
Impacted products
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CVE-2022-4095 (GCVE-0-2022-4095)
Vulnerability from cvelistv5 – Published: 2023-03-22 00:00 – Updated: 2025-02-26 16:10
VLAI
EPSS
VEX
Summary
A use-after-free flaw was found in Linux kernel before 5.19.2. This issue occurs in cmd_hdl_filter in drivers/staging/rtl8712/rtl8712_cmd.c, allowing an attacker to launch a local denial of service attack and gain escalation of privileges.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
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CVE-2022-3977 (GCVE-0-2022-3977)
Vulnerability from cvelistv5 – Published: 2023-01-12 00:00 – Updated: 2025-04-08 18:03
VLAI
EPSS
VEX
Summary
A use-after-free flaw was found in the Linux kernel MCTP (Management Component Transport Protocol) functionality. This issue occurs when a user simultaneously calls DROPTAG ioctl and socket close happens, which could allow a local user to crash the system or potentially escalate their privileges on the system.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
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CVE-2022-3910 (GCVE-0-2022-3910)
Vulnerability from cvelistv5 – Published: 2022-11-22 12:12 – Updated: 2025-04-21 13:46
VLAI
EPSS
VEX
Title
Use after free in IO_uring in the Linux Kernel
Summary
Use After Free vulnerability in Linux Kernel allows Privilege Escalation. An improper Update of Reference Count in io_uring leads to Use-After-Free and Local Privilege Escalation.
When io_msg_ring was invoked with a fixed file, it called io_fput_file() which improperly decreased its reference count (leading to Use-After-Free and Local Privilege Escalation). Fixed files are permanently registered to the ring, and should not be put separately.
We recommend upgrading past commit https://github.com/torvalds/linux/commit/fc7222c3a9f56271fba02aabbfbae999042f1679 https://github.com/torvalds/linux/commit/fc7222c3a9f56271fba02aabbfbae999042f1679
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux Kernel |
Affected:
5.18.0 , ≤ 5.19.10
(custom)
|
Date Public
2022-05-16 22:00
Credits
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CVE-2022-3636 (GCVE-0-2022-3636)
Vulnerability from cvelistv5 – Published: 2022-10-21 00:00 – Updated: 2026-07-28 16:51 X_Open Source
VLAI
EPSS
VEX
Title
Linux Kernel Ethernet mtk_ppe.c __mtk_ppe_check_skb use after free
Summary
A vulnerability was identified in Linux Kernel 33fc42de33278b2b3ec6f3390512987bc29a62b7. This affects the function __mtk_ppe_check_skb of the file drivers/net/ethernet/mediatek/mtk_ppe.c of the component Ethernet Handler. Such manipulation leads to use after free. The name of the patch is 17a5f6a78dc7b8db385de346092d7d9f9dc24df6. It is best practice to apply a patch to resolve this issue. No released Linux Kernel version was ever affected by this CVE.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/211935 | vdb-entrytechnical-description |
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| https://git.kernel.org/pub/scm/linux/kernel/git/p… | patch |
| https://www.kernel.org/ | product |
| https://vuldb.com/?id.211935 | x_transferred |
| https://www.debian.org/security/2023/dsa-5333 | vendor-advisoryx_transferred |
Impacted products
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CVE-2022-3591 (GCVE-0-2022-3591)
Vulnerability from cvelistv5 – Published: 2022-12-02 00:00 – Updated: 2025-04-23 15:53
VLAI
EPSS
VEX
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.0789.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
3 references
Impacted products
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CVE-2022-3586 (GCVE-0-2022-3586)
Vulnerability from cvelistv5 – Published: 2022-10-19 00:00 – Updated: 2025-05-09 14:48
VLAI
EPSS
VEX
Summary
A flaw was found in the Linux kernel’s networking code. A use-after-free was found in the way the sch_sfb enqueue function used the socket buffer (SKB) cb field after the same SKB had been enqueued (and freed) into a child qdisc. This flaw allows a local, unprivileged user to crash the system, causing a denial of service.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Linux Kernel |
Affected:
Fixed in kernel v6.0
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CVE-2022-3534 (GCVE-0-2022-3534)
Vulnerability from cvelistv5 – Published: 2022-10-17 00:00 – Updated: 2026-07-28 16:57 X_Open Source
VLAI
EPSS
VEX
Title
Linux Kernel libbpf btf_dump.c btf_dump_name_dups use after free
Summary
A vulnerability has been found in Linux Kernel up to 5.10.162/5.15.85/6.0.15/6.1.1. The impacted element is the function btf_dump_name_dups of the file tools/lib/bpf/btf_dump.c of the component libbpf. The manipulation leads to use after free. Upgrading to version 5.10.163, 5.15.86, 6.0.16, 6.1.2 and 6.2 is sufficient to resolve this issue. The identifier of the patch is c61650b869e0b6fb0c0a28ed42d928eea969afc8/fbe08093fb2334549859829ef81d42570812597d/8c64a8e76eb85d422af5ec60ccbf26e3ead8c333/a733bf10198eb5bb927890940de8ab457491ed3b/93c660ca40b5d2f7c1b1626e955a8e9fa30e0749. You should upgrade the affected component.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/211032 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/211032/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2022-3534 | third-party-advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/b… | patch |
| https://www.kernel.org/ | product |
| https://vuldb.com/?id.211032 | x_transferred |
| https://lists.debian.org/debian-lts-announce/2025… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Kernel |
Affected:
5.10.162
Affected: 5.15.0 Affected: 5.15.1 Affected: 5.15.2 Affected: 5.15.3 Affected: 5.15.4 Affected: 5.15.5 Affected: 5.15.6 Affected: 5.15.7 Affected: 5.15.8 Affected: 5.15.9 Affected: 5.15.10 Affected: 5.15.11 Affected: 5.15.12 Affected: 5.15.13 Affected: 5.15.14 Affected: 5.15.15 Affected: 5.15.16 Affected: 5.15.17 Affected: 5.15.18 Affected: 5.15.19 Affected: 5.15.20 Affected: 5.15.21 Affected: 5.15.22 Affected: 5.15.23 Affected: 5.15.24 Affected: 5.15.25 Affected: 5.15.26 Affected: 5.15.27 Affected: 5.15.28 Affected: 5.15.29 Affected: 5.15.30 Affected: 5.15.31 Affected: 5.15.32 Affected: 5.15.33 Affected: 5.15.34 Affected: 5.15.35 Affected: 5.15.36 Affected: 5.15.37 Affected: 5.15.38 Affected: 5.15.39 Affected: 5.15.40 Affected: 5.15.41 Affected: 5.15.42 Affected: 5.15.43 Affected: 5.15.44 Affected: 5.15.45 Affected: 5.15.46 Affected: 5.15.47 Affected: 5.15.48 Affected: 5.15.49 Affected: 5.15.50 Affected: 5.15.51 Affected: 5.15.52 Affected: 5.15.53 Affected: 5.15.54 Affected: 5.15.55 Affected: 5.15.56 Affected: 5.15.57 Affected: 5.15.58 Affected: 5.15.59 Affected: 5.15.60 Affected: 5.15.61 Affected: 5.15.62 Affected: 5.15.63 Affected: 5.15.64 Affected: 5.15.65 Affected: 5.15.66 Affected: 5.15.67 Affected: 5.15.68 Affected: 5.15.69 Affected: 5.15.70 Affected: 5.15.71 Affected: 5.15.72 Affected: 5.15.73 Affected: 5.15.74 Affected: 5.15.75 Affected: 5.15.76 Affected: 5.15.77 Affected: 5.15.78 Affected: 5.15.79 Affected: 5.15.80 Affected: 5.15.81 Affected: 5.15.82 Affected: 5.15.83 Affected: 5.15.84 Affected: 5.15.85 Affected: 6.0.0 Affected: 6.0.1 Affected: 6.0.2 Affected: 6.0.3 Affected: 6.0.4 Affected: 6.0.5 Affected: 6.0.6 Affected: 6.0.7 Affected: 6.0.8 Affected: 6.0.9 Affected: 6.0.10 Affected: 6.0.11 Affected: 6.0.12 Affected: 6.0.13 Affected: 6.0.14 Affected: 6.0.15 Affected: 6.1.0 Affected: 6.1.1 Unaffected: 5.10.163 Unaffected: 5.15.86 Unaffected: 6.0.16 Unaffected: 6.1.2 Unaffected: 6.2 cpe:2.3:o:linux:kernel:*:*:*:*:*:*:*:* |
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{
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"version": "5.15.0"
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{
"status": "affected",
"version": "5.15.1"
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
"version": "5.15.4"
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{
"status": "affected",
"version": "5.15.5"
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{
"status": "affected",
"version": "5.15.6"
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{
"status": "affected",
"version": "5.15.7"
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
"version": "5.15.12"
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{
"status": "affected",
"version": "5.15.13"
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{
"status": "affected",
"version": "5.15.14"
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{
"status": "affected",
"version": "5.15.15"
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{
"status": "affected",
"version": "5.15.16"
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{
"status": "affected",
"version": "5.15.17"
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{
"status": "affected",
"version": "5.15.18"
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{
"status": "affected",
"version": "5.15.19"
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"version": "5.15.20"
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"version": "5.15.23"
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"status": "affected",
"version": "5.15.24"
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{
"status": "affected",
"version": "5.15.25"
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{
"status": "affected",
"version": "5.15.26"
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{
"status": "affected",
"version": "5.15.27"
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{
"status": "affected",
"version": "5.15.28"
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{
"status": "affected",
"version": "5.15.29"
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{
"status": "affected",
"version": "5.15.30"
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{
"status": "affected",
"version": "5.15.31"
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{
"status": "affected",
"version": "5.15.32"
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{
"status": "affected",
"version": "5.15.33"
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{
"status": "affected",
"version": "5.15.34"
},
{
"status": "affected",
"version": "5.15.35"
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{
"status": "affected",
"version": "5.15.36"
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{
"status": "affected",
"version": "5.15.37"
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{
"status": "affected",
"version": "5.15.38"
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{
"status": "affected",
"version": "5.15.39"
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"status": "affected",
"version": "5.15.40"
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"status": "affected",
"version": "5.15.41"
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"status": "affected",
"version": "5.15.42"
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"version": "5.15.43"
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"status": "affected",
"version": "5.15.44"
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"status": "affected",
"version": "5.15.45"
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"status": "affected",
"version": "5.15.46"
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{
"status": "affected",
"version": "5.15.47"
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{
"status": "affected",
"version": "5.15.48"
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{
"status": "affected",
"version": "5.15.49"
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{
"status": "affected",
"version": "5.15.50"
},
{
"status": "affected",
"version": "5.15.51"
},
{
"status": "affected",
"version": "5.15.52"
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{
"status": "affected",
"version": "5.15.53"
},
{
"status": "affected",
"version": "5.15.54"
},
{
"status": "affected",
"version": "5.15.55"
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{
"status": "affected",
"version": "5.15.56"
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{
"status": "affected",
"version": "5.15.57"
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{
"status": "affected",
"version": "5.15.58"
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{
"status": "affected",
"version": "5.15.59"
},
{
"status": "affected",
"version": "5.15.60"
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{
"status": "affected",
"version": "5.15.61"
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{
"status": "affected",
"version": "5.15.62"
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{
"status": "affected",
"version": "5.15.63"
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{
"status": "affected",
"version": "5.15.64"
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"status": "affected",
"version": "5.15.65"
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"status": "affected",
"version": "5.15.66"
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"status": "affected",
"version": "5.15.67"
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"status": "affected",
"version": "5.15.68"
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"status": "affected",
"version": "5.15.69"
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"version": "5.15.70"
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"status": "affected",
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"status": "affected",
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{
"status": "affected",
"version": "5.15.77"
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"status": "affected",
"version": "5.15.78"
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"version": "5.15.79"
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"status": "affected",
"version": "5.15.80"
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{
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{
"status": "affected",
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"status": "affected",
"version": "6.0.14"
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{
"status": "affected",
"version": "6.0.15"
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{
"status": "affected",
"version": "6.1.0"
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{
"status": "affected",
"version": "6.1.1"
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{
"status": "unaffected",
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{
"status": "unaffected",
"version": "5.15.86"
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{
"status": "unaffected",
"version": "6.0.16"
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{
"status": "unaffected",
"version": "6.1.2"
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Mitigation
Architecture and Design
Strategy: Language Selection
Choose a language that provides automatic memory management.
Mitigation
Implementation
Strategy: Attack Surface Reduction
When freeing pointers, be sure to set them to NULL once they are freed. However, the utilization of multiple or complex data structures may lower the usefulness of this strategy.
No CAPEC attack patterns related to this CWE.