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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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-2026-4752 (GCVE-0-2026-4752)
Vulnerability from cvelistv5 – Published: 2026-03-24 05:40 – Updated: 2026-03-24 14:28
VLAI
EPSS
VEX
Title
Use After Free in No-Chicken Echo-Mate
Summary
Use After Free vulnerability in No-Chicken Echo-Mate.This issue affects Echo-Mate: before V250329.
Severity
6.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/No-Chicken/Echo-Mate/pull/5 | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| No-Chicken | Echo-Mate |
Affected:
0 , < V250329
(git)
|
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CVE-2026-4737 (GCVE-0-2026-4737)
Vulnerability from cvelistv5 – Published: 2026-03-24 03:16 – Updated: 2026-03-24 14:35
VLAI
EPSS
VEX
Title
Use-After-Free Vulnerability in No-Chicken/Echo-Mate
Summary
Use After Free vulnerability in No-Chicken Echo-Mate (SDK/rv1106-sdk/sysdrv/source/kernel/mm modules). This vulnerability is associated with program files rmap.C.
This issue affects Echo-Mate: before V250329.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/No-Chicken/Echo-Mate/pull/9 | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| No-Chicken | Echo-Mate |
Affected:
0 , < V250329
(git)
|
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CVE-2026-4390 (GCVE-0-2026-4390)
Vulnerability from cvelistv5 – Published: 2026-05-27 16:30 – Updated: 2026-05-27 17:58
VLAI
EPSS
VEX
Title
TeamSpeak 3 Server Connection State Management process_resend_queue use after free
Summary
A weakness has been identified in TeamSpeak 3 Server up to 3.13.7. This affects the function process_resend_queue of the component Connection State Management. This manipulation causes use after free. The attack may be initiated remotely. Upgrading to version 3.13.8 is able to mitigate this issue. The affected component should be upgraded.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/366314 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/366314/cti | signaturepermissions-required |
| https://modzero.com/en/advisories/mz-26-01-teamspeak/ | related |
| https://files.teamspeak-services.com/docs/securit… | related |
| https://www.teamspeak.com/en/downloads/#server | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | TeamSpeak 3 Server |
Affected:
3.13.0
Affected: 3.13.1 Affected: 3.13.2 Affected: 3.13.3 Affected: 3.13.4 Affected: 3.13.5 Affected: 3.13.6 Affected: 3.13.7 Unaffected: 3.13.8 cpe:2.3:a:teamspeak_3_server:teamspeak_3_server:*:*:*:*:*:*:*:* |
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CVE-2026-4271 (GCVE-0-2026-4271)
Vulnerability from cvelistv5 – Published: 2026-03-17 11:14 – Updated: 2026-05-19 21:30
VLAI
EPSS
VEX
Title
Libsoup: libsoup: denial of service via use-after-free in http/2 server
Summary
A flaw was found in libsoup, a library for handling HTTP requests. This vulnerability, known as a Use-After-Free, occurs in the HTTP/2 server implementation. A remote attacker can exploit this by sending specially crafted HTTP/2 requests that cause authentication failures. This can lead to the application attempting to access memory that has already been freed, potentially causing application instability or crashes, resulting in a Denial of Service (DoS).
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:15968 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:17482 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:19143 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-4271 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2448044 | issue-trackingx_refsource_REDHAT |
| https://gitlab.gnome.org/GNOME/libsoup/-/issues/496 |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:3.6.5-3.el10_1.11 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.1 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:3.6.5-3.el10_2.11 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:3.6.5-3.el10_0.15 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| 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 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
Date Public
2026-03-16 00:00
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CVE-2026-4148 (GCVE-0-2026-4148)
Vulnerability from cvelistv5 – Published: 2026-03-17 15:53 – Updated: 2026-03-18 03:55
VLAI
EPSS
VEX
Title
ExpressionContext use-after-free in classic engine $lookup and $graphLookup aggregation operators
Summary
A use-after-free vulnerability can be triggered in sharded clusters by an authenticated user with the read role who issues a specially crafted $lookup or $graphLookup aggregation pipeline.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use after free
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MongoDB Inc | MongoDB Server |
Affected:
8.2 , < 8.2.6
(custom)
Affected: 8.0 , < 8.0.20 (custom) Affected: 7.0 , < 7.0.31 (custom) |
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CVE-2026-3979 (GCVE-0-2026-3979)
Vulnerability from cvelistv5 – Published: 2026-03-12 03:32 – Updated: 2026-03-12 16:16 X_Open Source
VLAI
EPSS
VEX
Title
quickjs-ng quickjs quickjs.c js_iterator_concat_return use after free
Summary
A flaw has been found in quickjs-ng quickjs up to 0.12.1. This affects the function js_iterator_concat_return of the file quickjs.c. This manipulation causes use after free. The attack requires local access. The exploit has been published and may be used. Patch name: daab4ad4bae4ef071ed0294618d6244e92def4cd. Applying a patch is the recommended action to fix this issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.350414 | vdb-entrytechnical-description |
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| https://vuldb.com/?submit.769600 | third-party-advisory |
| https://github.com/quickjs-ng/quickjs/issues/1368 | issue-tracking |
| https://github.com/quickjs-ng/quickjs/pull/1370 | issue-trackingpatch |
| https://github.com/quickjs-ng/quickjs/issues/1368… | exploitissue-tracking |
| https://github.com/quickjs-ng/quickjs/commit/daab… | patch |
| https://github.com/quickjs-ng/quickjs/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| quickjs-ng | quickjs |
Affected:
0.12.0
Affected: 0.12.1 |
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CVE-2026-3779 (GCVE-0-2026-3779)
Vulnerability from cvelistv5 – Published: 2026-04-01 01:40 – Updated: 2026-04-02 02:14
VLAI
EPSS
VEX
Title
Foxit PDF Editor/Reader List Box Calculate Array Use-After-Free Vulnerability
Summary
The application's list box calculate array logic keeps stale references to page or form objects after they are deleted or re-created, which allows crafted documents to trigger a use-after-free when the calculation runs and can potentially lead to arbitrary code execution.
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
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit Software Inc. | Foxit PDF Editor |
Affected:
Versions 2025.3 and earlier
Affected: Versions 14.0.2 and earlier Affected: Versions 13.2.2 and earlier |
|
| Foxit Software Inc. | Foxit PDF Reader |
Affected:
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CVE-2026-3777 (GCVE-0-2026-3777)
Vulnerability from cvelistv5 – Published: 2026-04-01 01:40 – Updated: 2026-04-02 02:12
VLAI
EPSS
VEX
Title
Use after free of view cache in Foxit PDF Editor/Reader
Summary
The application does not properly validate the lifetime and validity of internal view cache pointers after JavaScript changes the document zoom and page state. When a script modifies the zoom property and then triggers a page change, the original view object may be destroyed while stale pointers are still kept and later dereferenced, which under crafted JavaScript and document structures can lead to a use-after-free condition and potentially allow arbitrary code execution.
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
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit Software Inc. | Foxit PDF Editor |
Affected:
Versions 2025.3 and earlier
Affected: Versions 14.0.2 and earlier Affected: Versions 13.2.2 and earlier |
|
| Foxit Software Inc. | Foxit PDF Reader |
Affected:
Versions 2025.3 and earlier
|
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CVE-2026-3593 (GCVE-0-2026-3593)
Vulnerability from cvelistv5 – Published: 2026-05-20 13:09 – Updated: 2026-07-15 01:02
VLAI
EPSS
VEX
Title
Heap use-after-free vulnerability in BIND 9 DNS-over-HTTPS implementation
Summary
A use-after-free vulnerability exists within the DNS-over-HTTPS implementation.
This issue affects BIND 9 versions 9.20.0 through 9.20.22, 9.21.0 through 9.21.21, and 9.20.9-S1 through 9.20.22-S1.
BIND 9 versions 9.18.0 through 9.18.48 and 9.18.11-S1 through 9.18.48-S1 are NOT affected.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://kb.isc.org/docs/cve-2026-3593 | vendor-advisory |
| https://downloads.isc.org/isc/bind9/9.20.23 | patch |
| https://downloads.isc.org/isc/bind9/9.21.22 | patch |
| https://access.redhat.com/security/cve/CVE-2026-3593 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2479770 | issue-trackingx_refsource_REDHAT |
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| https://access.redhat.com/errata/RHSA-2026:7412 | vendor-advisoryx_refsource_REDHAT |
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| ISC | BIND 9 |
Affected:
9.20.0 , ≤ 9.20.22
(custom)
Affected: 9.21.0 , ≤ 9.21.21 (custom) Affected: 9.20.9-S1 , ≤ 9.20.22-S1 (custom) Unaffected: 9.18.0 , ≤ 9.18.48 (custom) Unaffected: 9.18.11-S1 , ≤ 9.18.48-S1 (custom) |
|
| Red Hat | Red Hat Hardened Images |
Unaffected:
9.18.48-1.1.hum1 , < *
(rpm)
cpe:/a:redhat:hummingbird:1 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
|
| 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 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4 |
Date Public
2026-05-20 00:00
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CVE-2026-2889 (GCVE-0-2026-2889)
Vulnerability from cvelistv5 – Published: 2026-02-21 22:02 – Updated: 2026-02-23 19:29 X_Open Source
VLAI
EPSS
VEX
Title
CCExtractor mp4.c processmp4 use after free
Summary
A vulnerability was detected in CCExtractor up to 0.96.5. Affected is the function processmp4 in the library src/lib_ccx/mp4.c. Performing a manipulation results in use after free. The attack is only possible with local access. The exploit is now public and may be used. Upgrading to version 0.96.6 is able to address this issue. The patch is named fd7271bae238ccb3ae8a71304ea64f0886324925. You should upgrade the affected component.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.347182 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.347182 | signaturepermissions-required |
| https://vuldb.com/?submit.755029 | third-party-advisory |
| https://github.com/CCExtractor/ccextractor/issues/2055 | issue-tracking |
| https://github.com/CCExtractor/ccextractor/pull/2057 | issue-tracking |
| https://github.com/oneafter/0123/blob/main/cc3/repro | exploit |
| https://github.com/CCExtractor/ccextractor/commit… | patch |
| https://github.com/CCExtractor/ccextractor/releas… | patch |
| https://github.com/CCExtractor/ccextractor/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | CCExtractor |
Affected:
0.96.0
Affected: 0.96.1 Affected: 0.96.2 Affected: 0.96.3 Affected: 0.96.4 Affected: 0.96.5 Unaffected: 0.96.6 |
Credits
{
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"value": "A vulnerability was detected in CCExtractor up to 0.96.5. Affected is the function processmp4 in the library src/lib_ccx/mp4.c. Performing a manipulation results in use after free. The attack is only possible with local access. The exploit is now public and may be used. Upgrading to version 0.96.6 is able to address this issue. The patch is named fd7271bae238ccb3ae8a71304ea64f0886324925. You should upgrade the affected component."
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"name": "VDB-347182 | CCExtractor mp4.c processmp4 use after free",
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"name": "Submit #755029 | CCExtractor ccextractor c65fb08 Memory Corruption",
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"time": "2026-02-20T18:20:15.000Z",
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"title": "CCExtractor mp4.c processmp4 use after free"
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"cveId": "CVE-2026-2889",
"datePublished": "2026-02-21T22:02:11.011Z",
"dateReserved": "2026-02-20T17:14:28.102Z",
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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.