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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
9821 vulnerabilities reference this CWE, most recent first.
CVE-2023-5091 (GCVE-0-2023-5091)
Vulnerability from cvelistv5 – Published: 2024-01-08 09:23 – Updated: 2025-05-22 17:23
VLAI
EPSS
VEX
Title
Mali GPU Kernel Driver allows improper GPU processing operations
Summary
Use After Free vulnerability in Arm Ltd Valhall GPU Kernel Driver allows a local non-privileged user to make improper GPU processing operations to gain access to already freed memory. This issue affects Valhall GPU Kernel Driver: from r37p0 through r40p0.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Arm Ltd | Valhall GPU Kernel Driver |
Affected:
r37p0 , ≤ r40p0
(patch)
|
Date Public
2024-01-08 09:30
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CVE-2023-4921 (GCVE-0-2023-4921)
Vulnerability from cvelistv5 – Published: 2023-09-12 19:45 – Updated: 2026-02-25 17:20
VLAI
EPSS
VEX
Title
Use-after-free in Linux kernel's net/sched: sch_qfq component
Summary
A use-after-free vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation.
When the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue().
We recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Date Public
2023-09-05 06:54
Credits
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CVE-2023-4891 (GCVE-0-2023-4891)
Vulnerability from cvelistv5 – Published: 2023-11-08 22:00 – Updated: 2024-09-03 20:10
VLAI
EPSS
VEX
Summary
A potential use-after-free vulnerability was reported in the Lenovo View driver that could result in denial of service.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Lenovo | Lenovo View Driver |
Affected:
Versions prior to 2.3.18.1
|
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CVE-2023-4813 (GCVE-0-2023-4813)
Vulnerability from cvelistv5 – Published: 2023-09-12 21:54 – Updated: 2025-11-11 19:29
VLAI
EPSS
VEX
Title
Glibc: potential use-after-free in gaih_inet()
Summary
A flaw has been identified in glibc. In an uncommon situation, the gaih_inet function may use memory that has been freed, resulting in an application crash. This issue is only exploitable when the getaddrinfo function is called and the hosts database in /etc/nsswitch.conf is configured with SUCCESS=continue or SUCCESS=merge.
Severity
5.9 (Medium)
CWE
- CWE-416 - Use After Free
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHBA-2024:2413 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2023:5453 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2023:5455 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2023:7409 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2023-4813 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2237798 | issue-trackingx_refsource_REDHAT |
| http://www.openwall.com/lists/oss-security/2023/10/03/8 | x_transferred |
| https://security.netapp.com/advisory/ntap-2023111… | x_transferred |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:2.28-225.el8_8.6 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::crb cpe:/o:redhat:enterprise_linux:8::baseos cpe:/a:redhat:enterprise_linux:8::appstream |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support |
Unaffected:
0:2.28-189.8.el8_6 , < *
(rpm)
cpe:/o:redhat:rhel_eus:8.6::baseos cpe:/a:redhat:rhel_eus:8.6::crb cpe:/a:redhat:rhel_eus:8.6::appstream cpe:/o:redhat:rhev_hypervisor:4.4::el8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:2.34-100.el9 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:9::baseos cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:2.34-60.el9_2.7 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:9::baseos cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb |
|
| Red Hat | Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 |
Unaffected:
0:2.28-189.8.el8_6 , < *
(rpm)
cpe:/o:redhat:rhel_eus:8.6::baseos cpe:/a:redhat:rhel_eus:8.6::crb cpe:/a:redhat:rhel_eus:8.6::appstream cpe:/o:redhat:rhev_hypervisor:4.4::el8 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
Date Public
2022-03-01 00:00
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CVE-2023-4806 (GCVE-0-2023-4806)
Vulnerability from cvelistv5 – Published: 2023-09-18 16:33 – Updated: 2026-07-14 13:23
VLAI
EPSS
VEX
Title
Glibc: potential use-after-free in getaddrinfo()
Summary
A flaw has been identified in glibc. In an extremely rare situation, the getaddrinfo function may access memory that has been freed, resulting in an application crash. This issue is only exploitable when a NSS module implements only the _nss_*_gethostbyname2_r and _nss_*_getcanonname_r hooks without implementing the _nss_*_gethostbyname3_r hook. The resolved name should return a large number of IPv6 and IPv4, and the call to the getaddrinfo function should have the AF_INET6 address family with AI_CANONNAME, AI_ALL and AI_V4MAPPED as flags.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
16 references
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:2.28-225.el8_8.6 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::appstream cpe:/a:redhat:enterprise_linux:8::crb cpe:/o:redhat:enterprise_linux:8::baseos |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support |
Unaffected:
0:2.28-189.8.el8_6 , < *
(rpm)
cpe:/a:redhat:rhel_eus:8.6::appstream cpe:/a:redhat:rhel_eus:8.6::crb cpe:/o:redhat:rhel_eus:8.6::baseos cpe:/o:redhat:rhev_hypervisor:4.4::el8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:2.34-60.el9_2.7 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb cpe:/o:redhat:enterprise_linux:9::baseos |
|
| Red Hat | Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 |
Unaffected:
0:2.28-189.8.el8_6 , < *
(rpm)
cpe:/a:redhat:rhel_eus:8.6::appstream cpe:/a:redhat:rhel_eus:8.6::crb cpe:/o:redhat:rhel_eus:8.6::baseos cpe:/o:redhat:rhev_hypervisor:4.4::el8 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
Date Public
2023-09-12 00:00
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CVE-2023-4755 (GCVE-0-2023-4755)
Vulnerability from cvelistv5 – Published: 2023-09-04 13:46 – Updated: 2024-09-19 15:35
VLAI
EPSS
VEX
Title
Use After Free in gpac/gpac
Summary
Use After Free in GitHub repository gpac/gpac prior to 2.3-DEV.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
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CVE-2023-4752 (GCVE-0-2023-4752)
Vulnerability from cvelistv5 – Published: 2023-09-04 13:46 – Updated: 2025-11-03 20:36
VLAI
EPSS
VEX
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.1858.
Severity
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
9 references
Impacted products
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CVE-2023-4750 (GCVE-0-2023-4750)
Vulnerability from cvelistv5 – Published: 2023-09-04 13:47 – Updated: 2026-06-23 17:19
VLAI
EPSS
VEX
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.1857.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
7 references
Impacted products
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CVE-2023-4733 (GCVE-0-2023-4733)
Vulnerability from cvelistv5 – Published: 2023-09-04 13:47 – Updated: 2026-06-23 17:19
VLAI
EPSS
VEX
Title
Use After Free in vim/vim
Summary
Use After Free in GitHub repository vim/vim prior to 9.0.1840.
Severity
7.3 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
7 references
Impacted products
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CVE-2023-4679 (GCVE-0-2023-4679)
Vulnerability from cvelistv5 – Published: 2024-11-15 10:53 – Updated: 2024-11-15 19:12
VLAI
EPSS
VEX
Title
Use After Free in gpac/gpac
Summary
A use after free vulnerability exists in GPAC version 2.3-DEV-revrelease, specifically in the gf_filterpacket_del function in filter_core/filter.c at line 38. This vulnerability can lead to a double-free condition, which may cause the application to crash.
Severity
5.9 (Medium)
5.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
{
"containers": {
"adp": [
{
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{
"cpes": [
"cpe:2.3:a:gpac:gpac:-:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "gpac",
"vendor": "gpac",
"versions": [
{
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"status": "affected",
"version": "0",
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}
]
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"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
"version": "3.1"
}
},
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{
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},
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}
],
"role": "CISA Coordinator",
"timestamp": "2024-11-15T19:10:48.438721Z",
"version": "2.0.3"
},
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},
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}
],
"cna": {
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{
"product": "gpac/gpac",
"vendor": "gpac",
"versions": [
{
"lessThan": "2.3-DEV",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
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"lang": "en",
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}
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"attackVector": "LOCAL",
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"vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
"version": "3.0"
}
}
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"description": "CWE-416 Use After Free",
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"type": "CWE"
}
]
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"url": "https://huntr.com/bounties/6f721ee7-8785-4c26-801e-f40fed3faaac"
},
{
"url": "https://github.com/gpac/gpac/commit/b68b3f0bf5c366e003221d78fd663a1d5514a876"
}
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"source": {
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"discovery": "EXTERNAL"
},
"title": "Use After Free in gpac/gpac"
}
},
"cveMetadata": {
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"assignerShortName": "@huntr_ai",
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"datePublished": "2024-11-15T10:53:32.070Z",
"dateReserved": "2023-08-31T15:49:10.614Z",
"dateUpdated": "2024-11-15T19:12:15.195Z",
"state": "PUBLISHED"
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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.