Common Weakness Enumeration

CWE-416

Allowed

Use After Free

Abstraction: Variant · Status: Stable

API response cwe.mitre.org

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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

11157 vulnerabilities reference this CWE, most recent first.

GHSA-5JGH-5FP7-98P9

Vulnerability from github – Published: 2024-09-11 15:31 – Updated: 2024-09-12 15:33
VLAI
Details

Use after free in Media Router in Google Chrome on Android prior to 128.0.6613.137 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2024-8637"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-09-11T14:15:13Z",
    "severity": "HIGH"
  },
  "details": "Use after free in Media Router in Google Chrome on Android prior to 128.0.6613.137 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)",
  "id": "GHSA-5jgh-5fp7-98p9",
  "modified": "2024-09-12T15:33:00Z",
  "published": "2024-09-11T15:31:12Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-8637"
    },
    {
      "type": "WEB",
      "url": "https://chromereleases.googleblog.com/2024/09/stable-channel-update-for-desktop_10.html"
    },
    {
      "type": "WEB",
      "url": "https://issues.chromium.org/issues/361784548"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-5JGM-Q5CF-6H4H

Vulnerability from github – Published: 2025-09-09 18:31 – Updated: 2025-09-09 18:31
VLAI
Details

Use after free in Microsoft Virtual Hard Drive allows an authorized attacker to elevate privileges locally.

Severity
7.0 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2025-54112"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-09T17:15:56Z",
    "severity": "HIGH"
  },
  "details": "Use after free in Microsoft Virtual Hard Drive allows an authorized attacker to elevate privileges locally.",
  "id": "GHSA-5jgm-q5cf-6h4h",
  "modified": "2025-09-09T18:31:21Z",
  "published": "2025-09-09T18:31:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-54112"
    },
    {
      "type": "WEB",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54112"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-5JGQ-H327-WHQC

Vulnerability from github – Published: 2024-11-04 12:32 – Updated: 2024-11-04 12:32
VLAI
Details

Memory corruption while handling session errors from firmware.

Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Show details on source website
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{
  "affected": [],
  "aliases": [
    "CVE-2024-38415"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-11-04T10:15:08Z",
    "severity": "HIGH"
  },
  "details": "Memory corruption while handling session errors from firmware.",
  "id": "GHSA-5jgq-h327-whqc",
  "modified": "2024-11-04T12:32:56Z",
  "published": "2024-11-04T12:32:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-38415"
    },
    {
      "type": "WEB",
      "url": "https://docs.qualcomm.com/product/publicresources/securitybulletin/november-2024-bulletin.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-5JGQ-PV8M-5CX7

Vulnerability from github – Published: 2026-02-18 18:30 – Updated: 2026-03-13 21:31
VLAI
Details

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: add chann_lock to protect ksmbd_chann_list xarray

ksmbd_chann_list xarray lacks synchronization, allowing use-after-free in multi-channel sessions (between lookup_chann_list() and ksmbd_chann_del).

Adds rw_semaphore chann_lock to struct ksmbd_session and protects all xa_load/xa_store/xa_erase accesses.

Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2026-23226"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-18T16:22:32Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: add chann_lock to protect ksmbd_chann_list xarray\n\nksmbd_chann_list xarray lacks synchronization, allowing use-after-free in\nmulti-channel sessions (between lookup_chann_list() and ksmbd_chann_del).\n\nAdds rw_semaphore chann_lock to struct ksmbd_session and protects\nall xa_load/xa_store/xa_erase accesses.",
  "id": "GHSA-5jgq-pv8m-5cx7",
  "modified": "2026-03-13T21:31:40Z",
  "published": "2026-02-18T18:30:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23226"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/36ef605c0395b94b826a8c8d6f2697071173de6e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4c2ca31608521895dd742a43beca4b4d29762345"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4f3a06cc57976cafa8c6f716646be6c79a99e485"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e4a8a96a93d08570e0405cfd989a8a07e5b6ff33"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-5JH3-V7Q7-QV3Q

Vulnerability from github – Published: 2024-12-28 06:30 – Updated: 2024-12-28 18:30
VLAI
Details

Software installed and run as a non-privileged user may conduct improper GPU system calls to trigger use-after-free kernel exceptions.

Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Show details on source website
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{
  "affected": [],
  "aliases": [
    "CVE-2024-46973"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-12-28T05:15:08Z",
    "severity": "HIGH"
  },
  "details": "Software installed and run as a non-privileged user may conduct improper GPU system calls to trigger use-after-free kernel exceptions.",
  "id": "GHSA-5jh3-v7q7-qv3q",
  "modified": "2024-12-28T18:30:48Z",
  "published": "2024-12-28T06:30:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-46973"
    },
    {
      "type": "WEB",
      "url": "https://www.imaginationtech.com/gpu-driver-vulnerabilities"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-5JH9-CX9R-V7WW

Vulnerability from github – Published: 2022-01-07 00:00 – Updated: 2022-01-13 00:01
VLAI
Details

An issue was discovered in uriparser before 0.9.6. It performs invalid free operations in uriNormalizeSyntax.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-46142"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-01-06T04:15:00Z",
    "severity": "MODERATE"
  },
  "details": "An issue was discovered in uriparser before 0.9.6. It performs invalid free operations in uriNormalizeSyntax.",
  "id": "GHSA-5jh9-cx9r-v7ww",
  "modified": "2022-01-13T00:01:29Z",
  "published": "2022-01-07T00:00:53Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-46142"
    },
    {
      "type": "WEB",
      "url": "https://github.com/uriparser/uriparser/issues/122"
    },
    {
      "type": "WEB",
      "url": "https://github.com/uriparser/uriparser/pull/124"
    },
    {
      "type": "WEB",
      "url": "https://blog.hartwork.org/posts/uriparser-096-with-security-fixes-released"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MO6T7WA27H7K3WI2AXUAGPWBGK4HM65D"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YGIJTDNEMU2V4H3JJBQVKBRHU5GBQKG2"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2022/dsa-5063"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

GHSA-5JHC-4HQ3-5WP3

Vulnerability from github – Published: 2022-05-24 19:09 – Updated: 2022-05-24 19:09
VLAI
Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14033.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-34844"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-08-04T16:15:00Z",
    "severity": "HIGH"
  },
  "details": "This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14033.",
  "id": "GHSA-5jhc-4hq3-5wp3",
  "modified": "2022-05-24T19:09:57Z",
  "published": "2022-05-24T19:09:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-34844"
    },
    {
      "type": "WEB",
      "url": "https://www.foxit.com/support/security-bulletins.html"
    },
    {
      "type": "WEB",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-926"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

GHSA-5JHR-GG3J-GGCF

Vulnerability from github – Published: 2024-05-01 15:30 – Updated: 2024-07-03 18:38
VLAI
Details

Use after free in Dawn in Google Chrome prior to 124.0.6367.118 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Severity
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
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{
  "affected": [],
  "aliases": [
    "CVE-2024-4368"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-01T13:15:52Z",
    "severity": "MODERATE"
  },
  "details": "Use after free in Dawn in Google Chrome prior to 124.0.6367.118 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)",
  "id": "GHSA-5jhr-gg3j-ggcf",
  "modified": "2024-07-03T18:38:09Z",
  "published": "2024-05-01T15:30:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-4368"
    },
    {
      "type": "WEB",
      "url": "https://chromereleases.googleblog.com/2024/04/stable-channel-update-for-desktop_30.html"
    },
    {
      "type": "WEB",
      "url": "https://issues.chromium.org/issues/333508731"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6G7EYH2JAK5OJPVNC6AXYQ5K7YGYNCDN"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IPETICRXUOGRIM4U3BCRTIKE3IZWCSBT"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L7I4FMQSOVTCIIH4XT2MJGEQRUACLPB6"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LE3ASLH6QF2E5OVJI5VA3JSEPJFFFMNY"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UOC3HLIZCGMIJLJ6LME5UWUUIFLXEGRN"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-5JM2-2WJJ-8RGG

Vulnerability from github – Published: 2022-05-14 03:56 – Updated: 2022-05-14 03:56
VLAI
Details

A use after free in PDFium in Google Chrome prior to 55.0.2883.75 for Mac, Windows and Linux, and 55.0.2883.84 for Android allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file.

Severity
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Show details on source website
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{
  "affected": [],
  "aliases": [
    "CVE-2016-5211"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-01-19T05:59:00Z",
    "severity": "HIGH"
  },
  "details": "A use after free in PDFium in Google Chrome prior to 55.0.2883.75 for Mac, Windows and Linux, and 55.0.2883.84 for Android allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file.",
  "id": "GHSA-5jm2-2wjj-8rgg",
  "modified": "2022-05-14T03:56:36Z",
  "published": "2022-05-14T03:56:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-5211"
    },
    {
      "type": "WEB",
      "url": "https://chromereleases.googleblog.com/2016/12/stable-channel-update-for-desktop.html"
    },
    {
      "type": "WEB",
      "url": "https://crbug.com/649229"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201612-11"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-2919.html"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/94633"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-5JPX-997X-JHRP

Vulnerability from github – Published: 2025-03-12 12:30 – Updated: 2025-11-03 21:33
VLAI
Details

In the Linux kernel, the following vulnerability has been resolved:

ibmvnic: Don't reference skb after sending to VIOS

Previously, after successfully flushing the xmit buffer to VIOS, the tx_bytes stat was incremented by the length of the skb.

It is invalid to access the skb memory after sending the buffer to the VIOS because, at any point after sending, the VIOS can trigger an interrupt to free this memory. A race between reading skb->len and freeing the skb is possible (especially during LPM) and will result in use-after-free: ================================================================== BUG: KASAN: slab-use-after-free in ibmvnic_xmit+0x75c/0x1808 [ibmvnic] Read of size 4 at addr c00000024eb48a70 by task hxecom/14495 <...> Call Trace: [c000000118f66cf0] [c0000000018cba6c] dump_stack_lvl+0x84/0xe8 (unreliable) [c000000118f66d20] [c0000000006f0080] print_report+0x1a8/0x7f0 [c000000118f66df0] [c0000000006f08f0] kasan_report+0x128/0x1f8 [c000000118f66f00] [c0000000006f2868] __asan_load4+0xac/0xe0 [c000000118f66f20] [c0080000046eac84] ibmvnic_xmit+0x75c/0x1808 [ibmvnic] [c000000118f67340] [c0000000014be168] dev_hard_start_xmit+0x150/0x358 <...> Freed by task 0: kasan_save_stack+0x34/0x68 kasan_save_track+0x2c/0x50 kasan_save_free_info+0x64/0x108 __kasan_mempool_poison_object+0x148/0x2d4 napi_skb_cache_put+0x5c/0x194 net_tx_action+0x154/0x5b8 handle_softirqs+0x20c/0x60c do_softirq_own_stack+0x6c/0x88 <...> The buggy address belongs to the object at c00000024eb48a00 which belongs to the cache skbuff_head_cache of size 224 ==================================================================

Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2025-21855"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-03-12T10:15:18Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nibmvnic: Don\u0027t reference skb after sending to VIOS\n\nPreviously, after successfully flushing the xmit buffer to VIOS,\nthe tx_bytes stat was incremented by the length of the skb.\n\nIt is invalid to access the skb memory after sending the buffer to\nthe VIOS because, at any point after sending, the VIOS can trigger\nan interrupt to free this memory. A race between reading skb-\u003elen\nand freeing the skb is possible (especially during LPM) and will\nresult in use-after-free:\n ==================================================================\n BUG: KASAN: slab-use-after-free in ibmvnic_xmit+0x75c/0x1808 [ibmvnic]\n Read of size 4 at addr c00000024eb48a70 by task hxecom/14495\n \u003c...\u003e\n Call Trace:\n [c000000118f66cf0] [c0000000018cba6c] dump_stack_lvl+0x84/0xe8 (unreliable)\n [c000000118f66d20] [c0000000006f0080] print_report+0x1a8/0x7f0\n [c000000118f66df0] [c0000000006f08f0] kasan_report+0x128/0x1f8\n [c000000118f66f00] [c0000000006f2868] __asan_load4+0xac/0xe0\n [c000000118f66f20] [c0080000046eac84] ibmvnic_xmit+0x75c/0x1808 [ibmvnic]\n [c000000118f67340] [c0000000014be168] dev_hard_start_xmit+0x150/0x358\n \u003c...\u003e\n Freed by task 0:\n kasan_save_stack+0x34/0x68\n kasan_save_track+0x2c/0x50\n kasan_save_free_info+0x64/0x108\n __kasan_mempool_poison_object+0x148/0x2d4\n napi_skb_cache_put+0x5c/0x194\n net_tx_action+0x154/0x5b8\n handle_softirqs+0x20c/0x60c\n do_softirq_own_stack+0x6c/0x88\n \u003c...\u003e\n The buggy address belongs to the object at c00000024eb48a00 which\n  belongs to the cache skbuff_head_cache of size 224\n==================================================================",
  "id": "GHSA-5jpx-997x-jhrp",
  "modified": "2025-11-03T21:33:10Z",
  "published": "2025-03-12T12:30:59Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21855"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/093b0e5c90592773863f300b908b741622eef597"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/25dddd01dcc8ef3acff964dbb32eeb0d89f098e9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/501ac6a7e21b82e05207c6b4449812d82820f306"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/abaff2717470e4b5b7c0c3a90e128b211a23da09"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bdf5d13aa05ec314d4385b31ac974d6c7e0997c9"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}
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.

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