Common Weakness Enumeration
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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
10962 vulnerabilities reference this CWE, most recent first.
CVE-2017-10945 (GCVE-0-2017-10945)
Vulnerability from cvelistv5 – Published: 2017-10-31 19:00 – Updated: 2024-08-05 17:50
VLAI
EPSS
VEX
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.0.14878. 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 app.alert function. 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 under the context of the current process. Was ZDI-CAN-4855.
Severity
No CVSS data available.
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://zerodayinitiative.com/advisories/ZDI-17-458 | x_refsource_MISC |
| https://www.foxitsoftware.com/support/security-bu… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | Foxit Reader |
Affected:
8.3.0.14878
|
Date Public
2017-10-31 00:00
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CVE-2017-10941 (GCVE-0-2017-10941)
Vulnerability from cvelistv5 – Published: 2017-10-31 19:00 – Updated: 2024-08-05 17:50
VLAI
EPSS
VEX
Summary
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.0.14878. 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 AFParseDateEx function. 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 under the context of the current process. Was ZDI-CAN-4816.
Severity
No CVSS data available.
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.foxitsoftware.com/support/security-bu… | x_refsource_CONFIRM |
| https://zerodayinitiative.com/advisories/ZDI-17-454 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | Foxit Reader |
Affected:
8.3.0.14878
|
Date Public
2017-10-31 00:00
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CVE-2017-1081 (GCVE-0-2017-1081)
Vulnerability from cvelistv5 – Published: 2018-04-10 13:00 – Updated: 2024-09-16 20:12
VLAI
EPSS
VEX
Summary
In FreeBSD before 11.0-STABLE, 11.0-RELEASE-p10, 10.3-STABLE, and 10.3-RELEASE-p19, ipfilter using "keep state" or "keep frags" options can cause a kernel panic when fed specially crafted packet fragments due to incorrect memory handling.
Severity
No CVSS data available.
CWE
- CWE-416 - Kernel panic due to use after free (CWE-416)
Assigner
References
3 references
| 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 |
Impacted products
Date Public
2017-04-27 00:00
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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
VLAI
EPSS
VEX
Summary
JasPer before version 2.0.12 is vulnerable to a use-after-free in the way it decodes certain JPEG 2000 image files resulting in a crash on the application using JasPer.
Severity
No CVSS data available.
CWE
Assigner
References
5 references
| 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 |
| https://access.redhat.com/errata/RHSA-2017:1208 | vendor-advisoryx_refsource_REDHAT |
| http://www.securityfocus.com/bid/94952 | vdb-entryx_refsource_BID |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| JasPer Project | jasper |
Affected:
2.0.12
|
Date Public
2016-12-16 00:00
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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
VLAI
EPSS
VEX
Summary
A flaw was found in curl before version 7.51.0. The way curl handles cookies permits other threads to trigger a use-after-free leading to information disclosure.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-16 13:46 UTC
CWE
Assigner
References
12 references
| 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 |
| https://curl.haxx.se/docs/adv_20161102I.html | x_refsource_CONFIRM |
| 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 |
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| https://security.gentoo.org/glsa/201701-47 | vendor-advisoryx_refsource_GENTOO |
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| https://lists.apache.org/thread.html/r58af02e294b… | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Curl Project | curl |
Affected:
7.51.0
|
Date Public
2016-11-02 00:00
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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
VLAI
EPSS
VEX
Summary
The function `read_data()` in security.c in curl before version 7.51.0 is vulnerable to memory double free.
Severity
5.3 (Medium)
CWE
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://curl.haxx.se/docs/adv_20161102E.html | x_refsource_CONFIRM |
| https://access.redhat.com/errata/RHSA-2018:3558 | vendor-advisoryx_refsource_REDHAT |
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| https://curl.haxx.se/CVE-2016-8619.patch | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/94100 | 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://access.redhat.com/errata/RHSA-2018:2486 | vendor-advisoryx_refsource_REDHAT |
| https://security.gentoo.org/glsa/201701-47 | vendor-advisoryx_refsource_GENTOO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Curl Project | curl |
Affected:
7.51.0
|
Date Public
2016-11-02 00:00
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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
VLAI
EPSS
VEX
Summary
The libcurl API function called `curl_maprintf()` before version 7.51.0 can be tricked into doing a double-free due to an unsafe `size_t` multiplication, on systems using 32 bit `size_t` variables.
Severity
5.3 (Medium)
CWE
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2018:3558 | vendor-advisoryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://www.tenable.com/security/tns-2016-21 | x_refsource_CONFIRM |
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| http://www.oracle.com/technetwork/security-adviso… | x_refsource_CONFIRM |
| https://curl.haxx.se/docs/adv_20161102D.html | 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 |
| http://www.securityfocus.com/bid/94098 | vdb-entryx_refsource_BID |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Curl Project | curl |
Affected:
7.51.0
|
Date Public
2016-11-02 00:00
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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
VLAI
EPSS
VEX
Title
IRAI AUTOMGEN <= 8.0.0.7 Use-After-Free Remote DoS
Summary
AUTOMGEN versions up to and including 8.0.0.7 (also referenced as 8.022) contain a vulnerability in that project file handling frees an object and subsequently dereferences the stale pointer when processing certain malformed fields. The dangling-pointer use enables an attacker to influence an indirect call through attacker-controlled memory, resulting in denial-of-service. In some conditions, remote code execution may be possible.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-13 14:30 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
3 references
| 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 |
Date Public
2011-10-10 00:00
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GHSA-222X-4QHM-7H5F
Vulnerability from github – Published: 2023-02-28 15:30 – Updated: 2023-03-10 06:30
VLAI
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
Severity
7.8 (High)
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GHSA-2237-W692-94PV
Vulnerability from github – Published: 2022-05-24 16:55 – Updated: 2024-04-04 01:53
VLAI
Details
libslirp 4.0.0, as used in QEMU 4.1.0, has a use-after-free in ip_reass in ip_input.c.
Severity
7.5 (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"
}
]
}
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.