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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
9874 vulnerabilities reference this CWE, most recent first.
GHSA-CJQ5-PP78-CWJ7
Vulnerability from github – Published: 2025-03-13 18:32 – Updated: 2025-08-19 15:31A maliciously crafted 3DM file, when parsed through Autodesk AutoCAD, can force a Use-After-Free vulnerability. A malicious actor can leverage this vulnerability to cause a crash, read sensitive data, or execute arbitrary code in the context of the current process.
{
"affected": [],
"aliases": [
"CVE-2025-1432"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-03-13T17:15:35Z",
"severity": "HIGH"
},
"details": "A maliciously crafted 3DM file, when parsed through Autodesk AutoCAD, can force a Use-After-Free vulnerability. A malicious actor can leverage this vulnerability to cause a crash, read sensitive data, or execute arbitrary code in the context of the current process.",
"id": "GHSA-cjq5-pp78-cwj7",
"modified": "2025-08-19T15:31:19Z",
"published": "2025-03-13T18:32:22Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-1432"
},
{
"type": "WEB",
"url": "https://www.autodesk.com/products/autodesk-access/overview"
},
{
"type": "WEB",
"url": "https://www.autodesk.com/support/technical/article/caas/sfdcarticles/sfdcarticles/Where-can-I-download-the-latest-update-of-AutoCAD-AutoCAD-LT-2022.html"
},
{
"type": "WEB",
"url": "https://www.autodesk.com/trust/security-advisories/adsk-sa-2025-0001"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-CJV8-VGC3-FXVC
Vulnerability from github – Published: 2022-05-13 01:23 – Updated: 2025-04-12 12:35sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15.2 does not ensure possession of a read/write lock, which allows local users to cause a denial of service (use-after-free) and obtain sensitive information from kernel memory by leveraging /dev/snd/controlCX access.
{
"affected": [],
"aliases": [
"CVE-2014-4653"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2014-07-03T04:22:00Z",
"severity": "MODERATE"
},
"details": "sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15.2 does not ensure possession of a read/write lock, which allows local users to cause a denial of service (use-after-free) and obtain sensitive information from kernel memory by leveraging /dev/snd/controlCX access.",
"id": "GHSA-cjv8-vgc3-fxvc",
"modified": "2025-04-12T12:35:26Z",
"published": "2022-05-13T01:23:26Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-4653"
},
{
"type": "WEB",
"url": "https://github.com/torvalds/linux/commit/fd9f26e4eca5d08a27d12c0933fceef76ed9663d"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1113409"
},
{
"type": "WEB",
"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fd9f26e4eca5d08a27d12c0933fceef76ed9663d"
},
{
"type": "WEB",
"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fd9f26e4eca5d08a27d12c0933fceef76ed9663d"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html"
},
{
"type": "WEB",
"url": "http://rhn.redhat.com/errata/RHSA-2014-1083.html"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/59434"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/59777"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/60545"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/60564"
},
{
"type": "WEB",
"url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2014/06/26/6"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/68164"
},
{
"type": "WEB",
"url": "http://www.ubuntu.com/usn/USN-2334-1"
},
{
"type": "WEB",
"url": "http://www.ubuntu.com/usn/USN-2335-1"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-CJVQ-XVV5-F922
Vulnerability from github – Published: 2022-05-24 22:28 – Updated: 2022-05-24 22:28A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 11.0.0.49893. A specially crafted PDF document can trigger the reuse of previously freed memory, which can lead to arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.
{
"affected": [],
"aliases": [
"CVE-2021-21893"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-08-05T21:15:00Z",
"severity": "HIGH"
},
"details": "A use-after-free vulnerability exists in the JavaScript engine of Foxit Software\u2019s PDF Reader, version 11.0.0.49893. A specially crafted PDF document can trigger the reuse of previously freed memory, which can lead to arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.",
"id": "GHSA-cjvq-xvv5-f922",
"modified": "2022-05-24T22:28:33Z",
"published": "2022-05-24T22:28:33Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21893"
},
{
"type": "WEB",
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1336"
}
],
"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-CJXC-66V9-WP94
Vulnerability from github – Published: 2026-07-09 00:31 – Updated: 2026-07-09 15:32Use after free in WebRTC in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
{
"affected": [],
"aliases": [
"CVE-2026-15121"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-07-08T23:16:53Z",
"severity": "HIGH"
},
"details": "Use after free in WebRTC in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)",
"id": "GHSA-cjxc-66v9-wp94",
"modified": "2026-07-09T15:32:29Z",
"published": "2026-07-09T00:31:17Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-15121"
},
{
"type": "WEB",
"url": "https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_01162222768.html"
},
{
"type": "WEB",
"url": "https://issues.chromium.org/issues/523712556"
}
],
"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-CM26-FJHH-P42W
Vulnerability from github – Published: 2022-05-17 02:21 – Updated: 2022-05-17 02:21Use-after-free vulnerability in Adobe Reader and Acrobat before 11.0.18, Acrobat and Acrobat Reader DC Classic before 15.006.30243, and Acrobat and Acrobat Reader DC Continuous before 15.020.20039 on Windows and OS X allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2016-1089, CVE-2016-1091, CVE-2016-6944, CVE-2016-6945, CVE-2016-6946, CVE-2016-6949, CVE-2016-6952, CVE-2016-6953, CVE-2016-6962, CVE-2016-6963, CVE-2016-6964, CVE-2016-6965, CVE-2016-6967, CVE-2016-6968, CVE-2016-6969, CVE-2016-6971, CVE-2016-6979, CVE-2016-6988, and CVE-2016-6993.
{
"affected": [],
"aliases": [
"CVE-2016-6961"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2016-10-13T19:59:00Z",
"severity": "CRITICAL"
},
"details": "Use-after-free vulnerability in Adobe Reader and Acrobat before 11.0.18, Acrobat and Acrobat Reader DC Classic before 15.006.30243, and Acrobat and Acrobat Reader DC Continuous before 15.020.20039 on Windows and OS X allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2016-1089, CVE-2016-1091, CVE-2016-6944, CVE-2016-6945, CVE-2016-6946, CVE-2016-6949, CVE-2016-6952, CVE-2016-6953, CVE-2016-6962, CVE-2016-6963, CVE-2016-6964, CVE-2016-6965, CVE-2016-6967, CVE-2016-6968, CVE-2016-6969, CVE-2016-6971, CVE-2016-6979, CVE-2016-6988, and CVE-2016-6993.",
"id": "GHSA-cm26-fjhh-p42w",
"modified": "2022-05-17T02:21:30Z",
"published": "2022-05-17T02:21:30Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2016-6961"
},
{
"type": "WEB",
"url": "https://helpx.adobe.com/security/products/acrobat/apsb16-33.html"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/93491"
},
{
"type": "WEB",
"url": "http://www.securitytracker.com/id/1036986"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-CM32-VWV6-JWP3
Vulnerability from github – Published: 2026-06-09 18:30 – Updated: 2026-06-09 18:30Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
{
"affected": [],
"aliases": [
"CVE-2026-42911"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-06-09T17:17:11Z",
"severity": "HIGH"
},
"details": "Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.",
"id": "GHSA-cm32-vwv6-jwp3",
"modified": "2026-06-09T18:30:44Z",
"published": "2026-06-09T18:30:44Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42911"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42911"
}
],
"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-CM35-F8G3-R786
Vulnerability from github – Published: 2024-05-21 15:31 – Updated: 2024-07-03 18:42In the Linux kernel, the following vulnerability has been resolved:
watchdog: sc520_wdt: Fix possible use-after-free in wdt_turnoff()
This module's remove path calls del_timer(). However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running after the driver's remove function has finished, which would result in a use-after-free.
Fix by calling del_timer_sync(), which makes sure the timer handler has finished, and unable to re-schedule itself.
{
"affected": [],
"aliases": [
"CVE-2021-47323"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-05-21T15:15:19Z",
"severity": "HIGH"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwatchdog: sc520_wdt: Fix possible use-after-free in wdt_turnoff()\n\nThis module\u0027s remove path calls del_timer(). However, that function\ndoes not wait until the timer handler finishes. This means that the\ntimer handler may still be running after the driver\u0027s remove function\nhas finished, which would result in a use-after-free.\n\nFix by calling del_timer_sync(), which makes sure the timer handler\nhas finished, and unable to re-schedule itself.",
"id": "GHSA-cm35-f8g3-r786",
"modified": "2024-07-03T18:42:46Z",
"published": "2024-05-21T15:31:42Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47323"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/0015581a79bbf8e521f85dddb7d3e4a66b9f51d4"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/2aef07017fae21c3d8acea9656b10e3b9c0f1e04"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/522e75ed63f67e815d4ec0deace67df22d9ce78e"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/7c56c5508dc20a6b133bc669fc34327a6711c24c"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/90b7c141132244e8e49a34a4c1e445cce33e07f4"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/a173e3b62cf6dd3c4a0a10c8a82eedfcae81a566"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/b3c41ea5bc34d8c7b19e230d80e0e555c6f5057d"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/b4565a8a2d6bffb05bfbec11399d261ec16fe373"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/f0feab82f6a0323f54d85e8b512a2be64f83648a"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-CM3G-M6FQ-RFXC
Vulnerability from github – Published: 2023-01-26 21:30 – Updated: 2024-11-27 21:32This vulnerability allows remote attackers to disclose sensitive information on affected installations of PDF-XChange Editor. 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 parsing of PDF files. 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 in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-18326.
{
"affected": [],
"aliases": [
"CVE-2022-42414"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-01-26T18:59:00Z",
"severity": "MODERATE"
},
"details": "This vulnerability allows remote attackers to disclose sensitive information on affected installations of PDF-XChange Editor. 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 parsing of PDF files. 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 in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-18326.",
"id": "GHSA-cm3g-m6fq-rfxc",
"modified": "2024-11-27T21:32:39Z",
"published": "2023-01-26T21:30:22Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-42414"
},
{
"type": "WEB",
"url": "https://www.tracker-software.com/product/pdf-xchange-editor/history"
},
{
"type": "WEB",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-22-1342"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-CM43-Q5G6-297M
Vulnerability from github – Published: 2022-05-14 03:10 – Updated: 2025-11-25 18:32A use-after-free vulnerability can occur when the widget listener is holding strong references to browser objects that have previously been freed, resulting in a potentially exploitable crash when these references are used. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.
{
"affected": [],
"aliases": [
"CVE-2018-5099"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2018-06-11T21:29:00Z",
"severity": "CRITICAL"
},
"details": "A use-after-free vulnerability can occur when the widget listener is holding strong references to browser objects that have previously been freed, resulting in a potentially exploitable crash when these references are used. This vulnerability affects Thunderbird \u003c 52.6, Firefox ESR \u003c 52.6, and Firefox \u003c 58.",
"id": "GHSA-cm43-q5g6-297m",
"modified": "2025-11-25T18:32:11Z",
"published": "2022-05-14T03:10:32Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-5099"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2018:0122"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2018:0262"
},
{
"type": "WEB",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1416878"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2018/01/msg00030.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2018/01/msg00036.html"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3544-1"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2018/dsa-4096"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2018/dsa-4102"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2018-02"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2018-03"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2018-04"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/102783"
},
{
"type": "WEB",
"url": "http://www.securitytracker.com/id/1040270"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-CM5Q-X57V-2V56
Vulnerability from github – Published: 2022-07-28 00:00 – Updated: 2022-08-04 00:00Use after free in Sharing in Google Chrome on Chrome OS prior to 102.0.5005.61 allowed a remote attacker who convinced a user to enage in specific user interactions to potentially exploit heap corruption via specific user interaction.
{
"affected": [],
"aliases": [
"CVE-2022-1861"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-07-27T22:15:00Z",
"severity": "HIGH"
},
"details": "Use after free in Sharing in Google Chrome on Chrome OS prior to 102.0.5005.61 allowed a remote attacker who convinced a user to enage in specific user interactions to potentially exploit heap corruption via specific user interaction.",
"id": "GHSA-cm5q-x57v-2v56",
"modified": "2022-08-04T00:00:23Z",
"published": "2022-07-28T00:00:40Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-1861"
},
{
"type": "WEB",
"url": "https://chromereleases.googleblog.com/2022/05/stable-channel-update-for-desktop_24.html"
},
{
"type": "WEB",
"url": "https://crbug.com/1316846"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202208-25"
}
],
"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"
}
]
}
Mitigation
Strategy: Language Selection
Choose a language that provides automatic memory management.
Mitigation
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.