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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
11157 vulnerabilities reference this CWE, most recent first.
CVE-2017-1081 (GCVE-0-2017-1081)
Vulnerability from cvelistv5 – Published: 2018-04-10 13:00 – Updated: 2024-09-16 20:12- CWE-416 - Kernel panic due to use after free (CWE-416)
| URL | Tags |
|---|---|
| http://www.securitytracker.com/id/1038369 | vdb-entryx_refsource_SECTRACK |
| https://www.freebsd.org/security/advisories/FreeB… | vendor-advisoryx_refsource_FREEBSD |
| http://www.securityfocus.com/bid/98089 | vdb-entryx_refsource_BID |
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CVE-2016-9591 (GCVE-0-2016-9591)
Vulnerability from cvelistv5 – Published: 2018-03-09 20:00 – Updated: 2024-09-17 02:27| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1406405 | x_refsource_CONFIRM |
| https://www.debian.org/security/2017/dsa-3827 | vendor-advisoryx_refsource_DEBIAN |
| https://security.gentoo.org/glsa/201707-07 | vendor-advisoryx_refsource_GENTOO |
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| http://www.securityfocus.com/bid/94952 | vdb-entryx_refsource_BID |
| Vendor | Product | Version | |
|---|---|---|---|
| JasPer Project | jasper |
Affected:
2.0.12
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CVE-2016-8623 (GCVE-0-2016-8623)
Vulnerability from cvelistv5 – Published: 2018-08-01 06:00 – Updated: 2026-04-16 13:46| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://access.redhat.com/errata/RHSA-2018:3558 | vendor-advisoryx_refsource_REDHAT |
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| http://www.securityfocus.com/bid/94106 | vdb-entryx_refsource_BID |
| https://www.tenable.com/security/tns-2016-21 | x_refsource_CONFIRM |
| http://www.securitytracker.com/id/1037192 | vdb-entryx_refsource_SECTRACK |
| http://www.oracle.com/technetwork/security-adviso… | x_refsource_CONFIRM |
| https://curl.haxx.se/CVE-2016-8623.patch | x_refsource_CONFIRM |
| https://access.redhat.com/errata/RHSA-2018:2486 | vendor-advisoryx_refsource_REDHAT |
| https://security.gentoo.org/glsa/201701-47 | vendor-advisoryx_refsource_GENTOO |
| https://lists.apache.org/thread.html/rf4c02775860… | mailing-listx_refsource_MLIST |
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| Vendor | Product | Version | |
|---|---|---|---|
| The Curl Project | curl |
Affected:
7.51.0
|
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CVE-2016-8619 (GCVE-0-2016-8619)
Vulnerability from cvelistv5 – Published: 2018-08-01 06:00 – Updated: 2024-08-06 02:27| URL | Tags |
|---|---|
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| Vendor | Product | Version | |
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| The Curl Project | curl |
Affected:
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CVE-2016-8618 (GCVE-0-2016-8618)
Vulnerability from cvelistv5 – Published: 2018-07-31 21:00 – Updated: 2024-08-06 02:27| URL | Tags |
|---|---|
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| http://www.securityfocus.com/bid/94098 | vdb-entryx_refsource_BID |
| Vendor | Product | Version | |
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| The Curl Project | curl |
Affected:
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CVE-2011-10034 (GCVE-0-2011-10034)
Vulnerability from cvelistv5 – Published: 2025-11-12 22:08 – Updated: 2026-05-14 02:06- CWE-416 - Use After Free
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/17964 | exploit |
| https://en.iraifrance.com/automgen | product |
| https://www.vulncheck.com/advisories/irai-automge… | third-party-advisory |
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GHSA-222X-4QHM-7H5F
Vulnerability from github – Published: 2023-02-28 15:30 – Updated: 2023-03-10 06:30There is a use-after-free vulnerability in the Linux Kernel which can be exploited to achieve local privilege escalation. To reach the vulnerability kernel configuration flag CONFIG_TLS or CONFIG_XFRM_ESPINTCP has to be configured, but the operation does not require any privilege. There is a use-after-free bug of icsk_ulp_data of a struct inet_connection_sock. When CONFIG_TLS is enabled, user can install a tls context (struct tls_context) on a connected tcp socket. The context is not cleared if this socket is disconnected and reused as a listener. If a new socket is created from the listener, the context is inherited and vulnerable. The setsockopt TCP_ULP operation does not require any privilege. We recommend upgrading past commit 2c02d41d71f90a5168391b6a5f2954112ba2307c
{
"affected": [],
"aliases": [
"CVE-2023-0461"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-02-28T15:15:00Z",
"severity": "HIGH"
},
"details": "There is a use-after-free vulnerability in the Linux Kernel which can be exploited to achieve local privilege escalation. To reach the vulnerability kernel configuration flag CONFIG_TLS or CONFIG_XFRM_ESPINTCP has to be configured, but the operation does not require any privilege. There is a use-after-free bug of icsk_ulp_data of a struct inet_connection_sock. When CONFIG_TLS is enabled, user can install a tls context (struct tls_context) on a connected tcp socket. The context is not cleared if this socket is disconnected and reused as a listener. If a new socket is created from the listener, the context is inherited and vulnerable. The setsockopt TCP_ULP operation does not require any privilege. We recommend upgrading past commit 2c02d41d71f90a5168391b6a5f2954112ba2307c",
"id": "GHSA-222x-4qhm-7h5f",
"modified": "2023-03-10T06:30:21Z",
"published": "2023-02-28T15:30:22Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-0461"
},
{
"type": "WEB",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2c02d41d71f90a5168391b6a5f2954112ba2307c"
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"type": "WEB",
"url": "https://kernel.dance/#2c02d41d71f90a5168391b6a5f2954112ba2307c"
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{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html"
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"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-2237-W692-94PV
Vulnerability from github – Published: 2022-05-24 16:55 – Updated: 2024-04-04 01:53libslirp 4.0.0, as used in QEMU 4.1.0, has a use-after-free in ip_reass in ip_input.c.
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"affected": [],
"aliases": [
"CVE-2019-15890"
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"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2019-09-06T17:15:00Z",
"severity": "HIGH"
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"details": "libslirp 4.0.0, as used in QEMU 4.1.0, has a use-after-free in ip_reass in ip_input.c.",
"id": "GHSA-2237-w692-94pv",
"modified": "2024-04-04T01:53:28Z",
"published": "2022-05-24T16:55:34Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-15890"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2020:0775"
},
{
"type": "WEB",
"url": "https://gitlab.freedesktop.org/slirp/libslirp/commit/c5927943"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html"
},
{
"type": "WEB",
"url": "https://seclists.org/bugtraq/2020/Feb/0"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4191-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/4191-2"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2020/dsa-4616"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00034.html"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2019/09/06/3"
}
],
"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-223Q-8FW3-X2G9
Vulnerability from github – Published: 2026-09-08 21:34 – Updated: 2026-09-08 21:34Acrobat Reader is affected by a Use After Free vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
{
"affected": [],
"aliases": [
"CVE-2026-80162"
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"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-08T21:18:43Z",
"severity": "MODERATE"
},
"details": "Acrobat Reader is affected by a Use After Free vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue requires user interaction in that a victim must open a malicious file.",
"id": "GHSA-223q-8fw3-x2g9",
"modified": "2026-09-08T21:34:31Z",
"published": "2026-09-08T21:34:31Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80162"
},
{
"type": "WEB",
"url": "https://helpx.adobe.com/security/products/acrobat/apsb26-141.html"
}
],
"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-2243-FH9X-6Q8W
Vulnerability from github – Published: 2026-10-06 21:31 – Updated: 2026-10-06 21:31Use after free in Modularization in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
{
"affected": [],
"aliases": [
"CVE-2026-106315"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-10-06T19:17:59Z",
"severity": "HIGH"
},
"details": "Use after free in Modularization in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)",
"id": "GHSA-2243-fh9x-6q8w",
"modified": "2026-10-06T21:31:46Z",
"published": "2026-10-06T21:31:46Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-106315"
},
{
"type": "WEB",
"url": "https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html"
},
{
"type": "WEB",
"url": "https://issues.chromium.org/issues/497652727"
}
],
"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.