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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
11099 vulnerabilities reference this CWE, most recent first.
GHSA-3FP4-V27W-GH48
Vulnerability from github – Published: 2022-09-07 00:01 – Updated: 2022-09-10 00:00In ged, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07202966; Issue ID: ALPS07202966.
{
"affected": [],
"aliases": [
"CVE-2022-26451"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-09-06T18:15:00Z",
"severity": "MODERATE"
},
"details": "In ged, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07202966; Issue ID: ALPS07202966.",
"id": "GHSA-3fp4-v27w-gh48",
"modified": "2022-09-10T00:00:33Z",
"published": "2022-09-07T00:01:51Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-26451"
},
{
"type": "WEB",
"url": "https://corp.mediatek.com/product-security-bulletin/September-2022"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-3FRC-WQVM-47MC
Vulnerability from github – Published: 2026-03-10 18:31 – Updated: 2026-03-10 18:31Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
{
"affected": [],
"aliases": [
"CVE-2026-26132"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-03-10T18:18:42Z",
"severity": "HIGH"
},
"details": "Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.",
"id": "GHSA-3frc-wqvm-47mc",
"modified": "2026-03-10T18:31:21Z",
"published": "2026-03-10T18:31:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26132"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26132"
}
],
"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-3FV4-24VV-RX57
Vulnerability from github – Published: 2022-01-14 00:01 – Updated: 2022-01-15 00:02This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75. 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 JT 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 vulnerability to execute code in the context of the current process. Was ZDI-CAN-14996.
{
"affected": [],
"aliases": [
"CVE-2021-34939"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-01-13T22:15:00Z",
"severity": "HIGH"
},
"details": "This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75. 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 JT 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 vulnerability to execute code in the context of the current process. Was ZDI-CAN-14996.",
"id": "GHSA-3fv4-24vv-rx57",
"modified": "2022-01-15T00:02:09Z",
"published": "2022-01-14T00:01:05Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-34939"
},
{
"type": "WEB",
"url": "https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0005"
},
{
"type": "WEB",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1527"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-3FW6-MGGJ-V2R5
Vulnerability from github – Published: 2022-05-14 01:57 – Updated: 2022-05-14 01:57An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit Reader before 9.3 and PhantomPDF before 9.3, a different vulnerability than CVE-2018-16291, CVE-2018-16292, CVE-2018-16294, CVE-2018-16295, CVE-2018-16296, and CVE-2018-16297. A specially crafted PDF document can trigger a previously freed object in memory to be reused, resulting in arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.
{
"affected": [],
"aliases": [
"CVE-2018-16293"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2018-10-08T16:29:00Z",
"severity": "HIGH"
},
"details": "An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit Reader before 9.3 and PhantomPDF before 9.3, a different vulnerability than CVE-2018-16291, CVE-2018-16292, CVE-2018-16294, CVE-2018-16295, CVE-2018-16296, and CVE-2018-16297. A specially crafted PDF document can trigger a previously freed object in memory to be reused, resulting in arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.",
"id": "GHSA-3fw6-mggj-v2r5",
"modified": "2022-05-14T01:57:31Z",
"published": "2022-05-14T01:57:31Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-16293"
},
{
"type": "WEB",
"url": "https://www.foxitsoftware.com/support/security-bulletins.php"
},
{
"type": "WEB",
"url": "http://www.securitytracker.com/id/1041769"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-3FX3-FFMG-4CWP
Vulnerability from github – Published: 2022-05-24 17:32 – Updated: 2022-05-24 17:32Use after free in printing in Google Chrome prior to 86.0.4240.99 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
{
"affected": [],
"aliases": [
"CVE-2020-15993"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2020-11-03T03:15:00Z",
"severity": "CRITICAL"
},
"details": "Use after free in printing in Google Chrome prior to 86.0.4240.99 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.",
"id": "GHSA-3fx3-ffmg-4cwp",
"modified": "2022-05-24T17:32:55Z",
"published": "2022-05-24T17:32:55Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-15993"
},
{
"type": "WEB",
"url": "https://chromereleases.googleblog.com/2020/10/chrome-for-android-update_31.html"
},
{
"type": "WEB",
"url": "https://crbug.com/1133983"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-3FXQ-93M7-P4QM
Vulnerability from github – Published: 2022-05-24 17:46 – Updated: 2022-05-24 17:46A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, tvOS 14.0, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.0, iOS 14.0 and iPadOS 14.0. An application may be able to execute arbitrary code with kernel privileges.
{
"affected": [],
"aliases": [
"CVE-2020-9975"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-04-02T18:15:00Z",
"severity": "HIGH"
},
"details": "A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, tvOS 14.0, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.0, iOS 14.0 and iPadOS 14.0. An application may be able to execute arbitrary code with kernel privileges.",
"id": "GHSA-3fxq-93m7-p4qm",
"modified": "2022-05-24T17:46:15Z",
"published": "2022-05-24T17:46:15Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-9975"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/HT211843"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/HT211844"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/HT211850"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/HT211931"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/HT212011"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-3G2J-643P-QW2H
Vulnerability from github – Published: 2023-07-19 15:30 – Updated: 2024-04-04 06:16A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 12.1.2.15332. By prematurely deleting objects associated with pages, 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 into opening 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-2023-27379"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-07-19T14:15:10Z",
"severity": "HIGH"
},
"details": "A use-after-free vulnerability exists in the JavaScript engine of Foxit Software\u2019s PDF Reader, version 12.1.2.15332. By prematurely deleting objects associated with pages, 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 into opening 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-3g2j-643p-qw2h",
"modified": "2024-04-04T06:16:57Z",
"published": "2023-07-19T15:30:26Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-27379"
},
{
"type": "WEB",
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1756"
},
{
"type": "WEB",
"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1756"
}
],
"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-3G32-R9H6-FV6M
Vulnerability from github – Published: 2024-01-08 15:30 – Updated: 2025-11-04 21:30Multiple use-after-free vulnerabilities exist in the VCD get_vartoken realloc functionality of GTKWave 3.3.115. A specially crafted .vcd file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the use-after-free when triggered via the GUI's recoder (default) VCD parsing code.
{
"affected": [],
"aliases": [
"CVE-2023-37573"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-01-08T15:15:17Z",
"severity": "HIGH"
},
"details": "Multiple use-after-free vulnerabilities exist in the VCD get_vartoken realloc functionality of GTKWave 3.3.115. A specially crafted .vcd file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the use-after-free when triggered via the GUI\u0027s recoder (default) VCD parsing code.",
"id": "GHSA-3g32-r9h6-fv6m",
"modified": "2025-11-04T21:30:58Z",
"published": "2024-01-08T15:30:29Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-37573"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00007.html"
},
{
"type": "WEB",
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1806"
},
{
"type": "WEB",
"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1806"
}
],
"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-3G34-GX8V-33GM
Vulnerability from github – Published: 2026-09-30 18:33 – Updated: 2026-09-30 18:33NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability where an unprivileged user may cause a use-after-free condition by issuing a sequence of driver commands. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, denial of service, and information disclosure.
{
"affected": [],
"aliases": [
"CVE-2026-47590"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-30T16:17:28Z",
"severity": "HIGH"
},
"details": "NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability where an unprivileged user may cause a use-after-free condition by issuing a sequence of driver commands. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, denial of service, and information disclosure.",
"id": "GHSA-3g34-gx8v-33gm",
"modified": "2026-09-30T18:33:46Z",
"published": "2026-09-30T18:33:46Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-47590"
},
{
"type": "WEB",
"url": "https://github.com/NVIDIA/product-security/tree/main/2026/5861"
},
{
"type": "WEB",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-47590"
}
],
"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-3G35-2JHP-9XCC
Vulnerability from github – Published: 2022-05-17 00:26 – Updated: 2022-05-17 00:26In ImageMagick 7.0.6-3, a missing NULL assignment was found in coders/png.c, leading to an invalid free in the function RelinquishMagickMemory in MagickCore/memory.c, which allows attackers to cause a denial of service.
{
"affected": [],
"aliases": [
"CVE-2017-12671"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2017-08-07T21:29:00Z",
"severity": "MODERATE"
},
"details": "In ImageMagick 7.0.6-3, a missing NULL assignment was found in coders/png.c, leading to an invalid free in the function RelinquishMagickMemory in MagickCore/memory.c, which allows attackers to cause a denial of service.",
"id": "GHSA-3g35-2jhp-9xcc",
"modified": "2022-05-17T00:26:05Z",
"published": "2022-05-17T00:26:05Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-12671"
},
{
"type": "WEB",
"url": "https://github.com/ImageMagick/ImageMagick/issues/621"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2017/dsa-4019"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/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.