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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
9858 vulnerabilities reference this CWE, most recent first.
GHSA-47Q3-98V3-643R
Vulnerability from github – Published: 2024-03-01 00:30 – Updated: 2024-12-10 21:30In the Linux kernel, the following vulnerability has been resolved:
net/nfc: fix use-after-free llcp_sock_bind/connect
Commits 8a4cd82d ("nfc: fix refcount leak in llcp_sock_connect()") and c33b1cc62 ("nfc: fix refcount leak in llcp_sock_bind()") fixed a refcount leak bug in bind/connect but introduced a use-after-free if the same local is assigned to 2 different sockets.
This can be triggered by the following simple program: int sock1 = socket( AF_NFC, SOCK_STREAM, NFC_SOCKPROTO_LLCP ); int sock2 = socket( AF_NFC, SOCK_STREAM, NFC_SOCKPROTO_LLCP ); memset( &addr, 0, sizeof(struct sockaddr_nfc_llcp) ); addr.sa_family = AF_NFC; addr.nfc_protocol = NFC_PROTO_NFC_DEP; bind( sock1, (struct sockaddr) &addr, sizeof(struct sockaddr_nfc_llcp) ) bind( sock2, (struct sockaddr) &addr, sizeof(struct sockaddr_nfc_llcp) ) close(sock1); close(sock2);
Fix this by assigning NULL to llcp_sock->local after calling nfc_llcp_local_put.
This addresses CVE-2021-23134.
{
"affected": [],
"aliases": [
"CVE-2021-47068"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-02-29T23:15:08Z",
"severity": "HIGH"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/nfc: fix use-after-free llcp_sock_bind/connect\n\nCommits 8a4cd82d (\"nfc: fix refcount leak in llcp_sock_connect()\")\nand c33b1cc62 (\"nfc: fix refcount leak in llcp_sock_bind()\")\nfixed a refcount leak bug in bind/connect but introduced a\nuse-after-free if the same local is assigned to 2 different sockets.\n\nThis can be triggered by the following simple program:\n int sock1 = socket( AF_NFC, SOCK_STREAM, NFC_SOCKPROTO_LLCP );\n int sock2 = socket( AF_NFC, SOCK_STREAM, NFC_SOCKPROTO_LLCP );\n memset( \u0026addr, 0, sizeof(struct sockaddr_nfc_llcp) );\n addr.sa_family = AF_NFC;\n addr.nfc_protocol = NFC_PROTO_NFC_DEP;\n bind( sock1, (struct sockaddr*) \u0026addr, sizeof(struct sockaddr_nfc_llcp) )\n bind( sock2, (struct sockaddr*) \u0026addr, sizeof(struct sockaddr_nfc_llcp) )\n close(sock1);\n close(sock2);\n\nFix this by assigning NULL to llcp_sock-\u003elocal after calling\nnfc_llcp_local_put.\n\nThis addresses CVE-2021-23134.",
"id": "GHSA-47q3-98v3-643r",
"modified": "2024-12-10T21:30:51Z",
"published": "2024-03-01T00:30:28Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47068"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/18175fe17ae043a0b81e5d511f8817825784c299"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/18ae4a192a4496e48a5490b52812645d2413307c"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/26157c82ba756767b2bd66d28a71b1bc454447f6"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/374cdde4dcc9c909a60713abdbbf96d5e3e09f91"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/48fba458fe54cc2a980a05c13e6c19b8b2cfb610"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/6b7021ed36dabf29e56842e3408781cd3b82ef6e"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/c61760e6940dd4039a7f5e84a6afc9cdbf4d82b6"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/ccddad6dd28530e716448e594c9ca7c76ccd0570"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/e32352070bcac22be6ed8ab635debc280bb65b8c"
}
],
"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-47VW-3HX2-6877
Vulnerability from github – Published: 2023-11-29 12:30 – Updated: 2023-12-05 18:30Use after free in libavif in Google Chrome prior to 119.0.6045.199 allowed a remote attacker to potentially exploit heap corruption via a crafted avif file. (Chromium security severity: High)
{
"affected": [],
"aliases": [
"CVE-2023-6351"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-11-29T12:15:07Z",
"severity": "HIGH"
},
"details": "Use after free in libavif in Google Chrome prior to 119.0.6045.199 allowed a remote attacker to potentially exploit heap corruption via a crafted avif file. (Chromium security severity: High)",
"id": "GHSA-47vw-3hx2-6877",
"modified": "2023-12-05T18:30:21Z",
"published": "2023-11-29T12:30:16Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-6351"
},
{
"type": "WEB",
"url": "https://chromereleases.googleblog.com/2023/11/stable-channel-update-for-desktop_28.html"
},
{
"type": "WEB",
"url": "https://crbug.com/1501770"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T7ABNYMOI4ZHVCSPCNP7HQTOLGF53A2"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C7XQNYZZA3X2LBJF57ZHKXWOMJKNLZYR"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UJROPNKWW65R34J4IYGTJ7A3OBPUL4IQ"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202401-34"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2023/dsa-5569"
}
],
"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-47XW-2Q7J-49HW
Vulnerability from github – Published: 2025-04-08 18:34 – Updated: 2025-04-08 18:34Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally.
{
"affected": [],
"aliases": [
"CVE-2025-27467"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-04-08T18:15:56Z",
"severity": "HIGH"
},
"details": "Use after free in Windows Digital Media allows an authorized attacker to elevate privileges locally.",
"id": "GHSA-47xw-2q7j-49hw",
"modified": "2025-04-08T18:34:50Z",
"published": "2025-04-08T18:34:50Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-27467"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27467"
}
],
"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-4853-C3JQ-R576
Vulnerability from github – Published: 2022-01-28 00:01 – Updated: 2022-02-03 00:00Jsish v3.5.0 was discovered to contain a heap-use-after-free via jsi_UserObjDelete in src/jsiUserObj.c. This vulnerability can lead to a Denial of Service (DoS).
{
"affected": [],
"aliases": [
"CVE-2021-46497"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-01-27T21:15:00Z",
"severity": "MODERATE"
},
"details": "Jsish v3.5.0 was discovered to contain a heap-use-after-free via jsi_UserObjDelete in src/jsiUserObj.c. This vulnerability can lead to a Denial of Service (DoS).",
"id": "GHSA-4853-c3jq-r576",
"modified": "2022-02-03T00:00:33Z",
"published": "2022-01-28T00:01:46Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-46497"
},
{
"type": "WEB",
"url": "https://github.com/pcmacdon/jsish/issues/84"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-485R-9478-C3WW
Vulnerability from github – Published: 2022-05-24 17:39 – Updated: 2022-05-24 17:39Use after Free in Payments in Google Chrome on Android prior to 87.0.4280.66 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
{
"affected": [],
"aliases": [
"CVE-2020-16045"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-01-14T21:15:00Z",
"severity": "CRITICAL"
},
"details": "Use after Free in Payments in Google Chrome on Android prior to 87.0.4280.66 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.",
"id": "GHSA-485r-9478-c3ww",
"modified": "2022-05-24T17:39:14Z",
"published": "2022-05-24T17:39:14Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-16045"
},
{
"type": "WEB",
"url": "https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_17.html"
},
{
"type": "WEB",
"url": "https://crbug.com/1125614"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-487W-XX5J-GQWC
Vulnerability from github – Published: 2025-04-29 12:30 – Updated: 2025-06-20 21:32When DNSdist is configured to provide DoH via the nghttp2 provider, an attacker can cause a denial of service by crafting a DoH exchange that triggers an illegal memory access (double-free) and crash of DNSdist, causing a denial of service.
The remedy is: upgrade to the patched 1.9.9 version.
A workaround is to temporarily switch to the h2o provider until DNSdist has been upgraded to a fixed version.
We would like to thank Charles Howes for bringing this issue to our attention.
{
"affected": [],
"aliases": [
"CVE-2025-30194"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-04-29T12:15:31Z",
"severity": "HIGH"
},
"details": "When DNSdist is configured to provide DoH via the nghttp2 provider, an attacker can cause a denial of service by crafting a DoH exchange that triggers an illegal memory access (double-free) and crash of DNSdist, causing a denial of service.\n\nThe remedy is: upgrade to the patched 1.9.9 version.\n\nA workaround is to temporarily switch to the h2o provider until DNSdist has been upgraded to a fixed version.\n\nWe would like to thank Charles Howes for bringing this issue to our attention.",
"id": "GHSA-487w-xx5j-gqwc",
"modified": "2025-06-20T21:32:02Z",
"published": "2025-04-29T12:30:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-30194"
},
{
"type": "WEB",
"url": "https://dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2025-02.html"
},
{
"type": "WEB",
"url": "https://www.vicarius.io/vsociety/posts/cve-2025-30194-detection-dnsdist-vulnerability"
},
{
"type": "WEB",
"url": "https://www.vicarius.io/vsociety/posts/cve-2025-30194-mitigate-dnsdist-vulnerability"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2025/04/29/1"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-4894-FRVM-HGH4
Vulnerability from github – Published: 2022-05-14 03:24 – Updated: 2022-05-14 03:24In Android before security patch level 2018-04-05 on Qualcomm Snapdragon Mobile and Snapdragon Wear MSM8909W, SD 210/SD 212/SD 205, SD 450, SD 615/16/SD 415, SD 625, SD 650/52, SD 820, SD 835, SD 845, while processing the retransmission of WPA supplicant command send failures, there is a make after break of the connection to WPA supplicant where the local pointer is not properly updated. If the WPA supplicant command transmission fails, a Use After Free condition will occur.
{
"affected": [],
"aliases": [
"CVE-2017-18144"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2018-04-11T15:29:00Z",
"severity": "CRITICAL"
},
"details": "In Android before security patch level 2018-04-05 on Qualcomm Snapdragon Mobile and Snapdragon Wear MSM8909W, SD 210/SD 212/SD 205, SD 450, SD 615/16/SD 415, SD 625, SD 650/52, SD 820, SD 835, SD 845, while processing the retransmission of WPA supplicant command send failures, there is a make after break of the connection to WPA supplicant where the local pointer is not properly updated. If the WPA supplicant command transmission fails, a Use After Free condition will occur.",
"id": "GHSA-4894-frvm-hgh4",
"modified": "2022-05-14T03:24:09Z",
"published": "2022-05-14T03:24:09Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-18144"
},
{
"type": "WEB",
"url": "https://source.android.com/security/bulletin/2018-04-01"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/103671"
}
],
"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-489P-Q5CQ-R62H
Vulnerability from github – Published: 2024-06-25 06:30 – Updated: 2024-07-03 18:46A maliciously crafted IGES file, when parsed in ASMImport229A.dll through Autodesk applications, can be used to cause a use-after-free vulnerability. A malicious actor can leverage this vulnerability to cause a crash or execute arbitrary code in the context of the current process.
{
"affected": [],
"aliases": [
"CVE-2024-23158"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-06-25T04:15:14Z",
"severity": "MODERATE"
},
"details": "A maliciously crafted IGES file, when parsed in ASMImport229A.dll through Autodesk applications, can be used to cause a use-after-free vulnerability. A malicious actor can leverage this vulnerability to cause a crash or execute arbitrary code in the context of the current process.",
"id": "GHSA-489p-q5cq-r62h",
"modified": "2024-07-03T18:46:52Z",
"published": "2024-06-25T06:30:39Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-23158"
},
{
"type": "WEB",
"url": "https://www.autodesk.com/trust/security-advisories/adsk-sa-2024-0010"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
}
]
}
GHSA-48CR-C5WM-GFPQ
Vulnerability from github – Published: 2023-08-08 12:30 – Updated: 2024-04-04 06:39A vulnerability has been identified in Solid Edge SE2023 (All versions < V223.0 Update 2). The affected application contains a use-after-free vulnerability that could be triggered while parsing specially crafted DWG file. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-19562)
{
"affected": [],
"aliases": [
"CVE-2023-39549"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-08-08T10:15:22Z",
"severity": "HIGH"
},
"details": "A vulnerability has been identified in Solid Edge SE2023 (All versions \u003c V223.0 Update 2). The affected application contains a use-after-free vulnerability that could be triggered while parsing specially crafted DWG file. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-19562)",
"id": "GHSA-48cr-c5wm-gfpq",
"modified": "2024-04-04T06:39:10Z",
"published": "2023-08-08T12:30:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-39549"
},
{
"type": "WEB",
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-932528.pdf"
}
],
"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-48M7-CF7P-JQM7
Vulnerability from github – Published: 2022-05-13 01:24 – Updated: 2022-05-13 01:24The __do_follow_link function in fs/namei.c in the Linux kernel before 2.6.33 does not properly handle the last pathname component during use of certain filesystems, which allows local users to cause a denial of service (incorrect free operations and system crash) via an open system call.
{
"affected": [],
"aliases": [
"CVE-2014-0203"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2014-06-23T11:21:00Z",
"severity": "MODERATE"
},
"details": "The __do_follow_link function in fs/namei.c in the Linux kernel before 2.6.33 does not properly handle the last pathname component during use of certain filesystems, which allows local users to cause a denial of service (incorrect free operations and system crash) via an open system call.",
"id": "GHSA-48m7-cf7p-jqm7",
"modified": "2022-05-13T01:24:20Z",
"published": "2022-05-13T01:24:20Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0203"
},
{
"type": "WEB",
"url": "https://github.com/torvalds/linux/commit/86acdca1b63e6890540fa19495cfc708beff3d8b"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1094363"
},
{
"type": "WEB",
"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=86acdca1b63e6890540fa19495cfc708beff3d8b"
},
{
"type": "WEB",
"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=86acdca1b63e6890540fa19495cfc708beff3d8b"
},
{
"type": "WEB",
"url": "http://linux.oracle.com/errata/ELSA-2014-0771.html"
},
{
"type": "WEB",
"url": "http://linux.oracle.com/errata/ELSA-2014-3043.html"
},
{
"type": "WEB",
"url": "http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.33"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/59262"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/59309"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/59406"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/59560"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/68125"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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.