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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
11157 vulnerabilities reference this CWE, most recent first.
CVE-2026-1979 (GCVE-0-2026-1979)
Vulnerability from cvelistv5 – Published: 2026-02-06 04:32 – Updated: 2026-02-23 09:21 X_Open Source
VLAI
EPSS
VEX
Title
mruby JMPNOT-to-JMPIF Optimization vm.c mrb_vm_exec use after free
Summary
A flaw has been found in mruby up to 3.4.0. This affects the function mrb_vm_exec of the file src/vm.c of the component JMPNOT-to-JMPIF Optimization. Executing a manipulation can lead to use after free. The attack needs to be launched locally. The exploit has been published and may be used. This patch is called e50f15c1c6e131fa7934355eb02b8173b13df415. It is advisable to implement a patch to correct this issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-06 20:26 UTC
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.344501 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.344501 | signaturepermissions-required |
| https://vuldb.com/?submit.743377 | third-party-advisory |
| https://github.com/mruby/mruby/issues/6701 | issue-tracking |
| https://github.com/mruby/mruby/issues/6701#issue-… | exploitissue-tracking |
| https://github.com/sysfce2/mruby/commit/e50f15c1c… | patch |
| https://github.com/mruby/mruby/ | product |
Impacted products
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CVE-2026-1289 (GCVE-0-2026-1289)
Vulnerability from cvelistv5 – Published: 2026-08-06 15:57 – Updated: 2026-09-17 13:49
VLAI
EPSS
VEX
Title
PDF File Parsing Vulnerabilities in Certain Autodesk Desktop Products
Summary
A maliciously crafted PDF file, when parsed through certain Autodesk products, can force a Use-After-Free vulnerability. A malicious actor can leverage this vulnerability to cause a crash, disclose sensitive data, or execute arbitrary code in the context of the current process.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-07 00:00 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.autodesk.com/trust/security-advisorie… | vendor-advisory |
| https://www.autodesk.com/products/autodesk-access… | patch |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Autodesk | Revit |
Affected:
2027.0.0 , < 2027.2.0
(semver)
Affected: 2026.0.0 , < 2026.5.0 (semver) cpe:2.3:a:autodesk:revit:2027:*:*:*:*:*:*:* cpe:2.3:a:autodesk:revit:2026:*:*:*:*:*:*:* |
|
| Autodesk | AutoCAD |
Affected:
2027.0.0 , < 2027.1.0
(semver)
Affected: 2026.0.0 , < 2026.1.2 (semver) Affected: 2025.0.0 , < 2025.1.4 (semver) Affected: 2024.0.0 , < 2024.1.9 (semver) cpe:2.3:a:autodesk:autocad:2027:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad:2026:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad:2025:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad:2024:*:*:*:*:*:*:* |
|
| Autodesk | AutoCAD LT |
Affected:
2027.0.0 , < 2027.1.0
(semver)
Affected: 2026.0.0 , < 2026.1.2 (semver) Affected: 2025.0.0 , < 2025.1.4 (semver) Affected: 2024.0.0 , < 2024.1.9 (semver) cpe:2.3:a:autodesk:autocad_lt:2027:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_lt:2026:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_lt:2025:*:*:*:*:*:*:* cpe:2.3:a:autodesk:autocad_lt:2024:*:*:*:*:*:*:* |
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CVE-2026-1144 (GCVE-0-2026-1144)
Vulnerability from cvelistv5 – Published: 2026-01-19 07:32 – Updated: 2026-02-25 16:46 X_Open Source
VLAI
EPSS
VEX
Title
quickjs-ng quickjs Atomics Ops quickjs.c use after free
Summary
A vulnerability was detected in quickjs-ng quickjs up to 0.11.0. Affected is an unknown function of the file quickjs.c of the component Atomics Ops Handler. The manipulation results in use after free. The attack can be executed remotely. The exploit is now public and may be used. The patch is identified as ea3e9d77454e8fc9cb3ef3c504e9c16af5a80141. Applying a patch is advised to resolve this issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-20 15:19 UTC
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.341737 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.341737 | signaturepermissions-required |
| https://vuldb.com/?submit.735537 | third-party-advisory |
| https://vuldb.com/?submit.735538 | third-party-advisory |
| https://github.com/quickjs-ng/quickjs/issues/1301 | issue-tracking |
| https://github.com/quickjs-ng/quickjs/pull/1303 | issue-tracking |
| https://github.com/quickjs-ng/quickjs/issues/1302 | exploitissue-tracking |
| https://github.com/quickjs-ng/quickjs/commit/ea3e… | patch |
| https://github.com/quickjs-ng/quickjs/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| quickjs-ng | quickjs |
Affected:
0.1
Affected: 0.2 Affected: 0.3 Affected: 0.4 Affected: 0.5 Affected: 0.6 Affected: 0.7 Affected: 0.8 Affected: 0.9 Affected: 0.10 Affected: 0.11.0 |
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CVE-2026-0794 (GCVE-0-2026-0794)
Vulnerability from cvelistv5 – Published: 2026-01-23 03:01 – Updated: 2026-01-23 16:36
VLAI
EPSS
VEX
Title
ALGO 8180 IP Audio Alerter SIP Use-After-Free Remote Code Execution Vulnerability
Summary
ALGO 8180 IP Audio Alerter SIP Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of ALGO 8180 IP Audio Alerter devices. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of SIP calls. 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 in the context of the device. Was ZDI-CAN-28303.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 16:36 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ALGO | 8180 IP Audio Alerter |
Affected:
5.5
|
Date Public
2026-01-09 15:56
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CVE-2026-0465 (GCVE-0-2026-0465)
Vulnerability from cvelistv5 – Published: 2026-08-11 17:11 – Updated: 2026-08-12 13:13
VLAI
EPSS
VEX
Summary
A Use‑After‑Free (UAF) vulnerability in the AMD Ryzen™ Master Utility Driver could allow a local attacker to access kernel memory, potentially resulting in loss of availability
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-12 13:13 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| AMD | AMD Ryzen™ Master |
Unaffected:
3.1.1.5502
|
|
| AMD | AMD Ryzen™ Master Monitoring SDK |
Unaffected:
3.1.1.5478
|
Date Public
2026-08-11 17:10
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CVE-2026-0001 (GCVE-0-2026-0001)
Vulnerability from cvelistv5 – Published: 2026-09-08 14:18 – Updated: 2026-09-08 14:36
VLAI
EPSS
VEX
Title
Mali GPU Kernel Driver allows access to already freed memory
Summary
Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform valid GPU memory processing operations to access already freed memory.
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Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 14:36 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
Impacted products
3 products
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|---|---|---|---|
| Arm Ltd | Bifrost GPU Kernel Driver |
Affected:
r41p0 , ≤ r49p5
(patch)
Affected: r50p0 , ≤ r51p0 (patch) Affected: r54p1 , ≤ r54p2 (patch) |
|
| Arm Ltd | Valhall GPU Kernel Driver |
Affected:
r41p0 , ≤ r49p5
(patch)
Affected: r50p0 , ≤ r54p3 (patch) Affected: r55p0 (patch) Unaffected: r56p0 (patch) |
|
| Arm Ltd | Arm 5th Gen GPU Architecture Kernel Driver |
Affected:
r41p0 , ≤ r49p5
(patch)
Affected: r50p0 , ≤ r54p3 (patch) Affected: r55p0 (patch) Unaffected: r56p0 (patch) |
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CVE-2025-68656 (GCVE-0-2025-68656)
Vulnerability from cvelistv5 – Published: 2026-01-12 17:23 – Updated: 2026-01-12 18:39
VLAI
EPSS
VEX
Title
Espressif ESP-IDF USB Host HID (Human Interface Device) Driver Descriptor Use-After-Free Vulnerability
Summary
Espressif ESP-IDF USB Host HID (Human Interface Device) Driver allows access to HID devices. Prior to 1.1.0, usb_class_request_get_descriptor() frees and reallocates hid_device->ctrl_xfer when an oversized descriptor is requested but continues to use the stale local pointer, leading to an immediate use-after-free when processing attacker-controlled Report Descriptor lengths. This vulnerability is fixed in 1.1.0.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-12 18:39 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/espressif/esp-usb/security/adv… | x_refsource_CONFIRM |
| https://github.com/espressif/esp-usb/commit/81b37… | x_refsource_MISC |
| https://components.espressif.com/components/espre… | x_refsource_MISC |
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CVE-2025-68617 (GCVE-0-2025-68617)
Vulnerability from cvelistv5 – Published: 2025-12-23 22:41 – Updated: 2025-12-24 14:53
VLAI
EPSS
VEX
Title
Use after free in fluidsynth
Summary
FluidSynth is a software synthesizer based on the SoundFont 2 specifications. From versions 2.5.0 to before 2.5.2, a race condition during unloading of a DLS file can trigger a heap-based use-after-free. A concurrently running thread may be pending to unload a DLS file, leading to use of freed memory, if the synthesizer is being concurrently destroyed, or samples of the (unloaded) DLS file are concurrently used to synthesize audio. This issue has been patched in version 2.5.2. The problem will not occur, when explicitly unloading a DLS file (before synth destruction), provided that at the time of unloading, no samples of the respective file are used by active voices. The problem will not occur in versions of FluidSynth that have been compiled without native DLS support.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-24 14:53 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/FluidSynth/fluidsynth/security… | x_refsource_CONFIRM |
| https://github.com/FluidSynth/fluidsynth/issues/1717 | x_refsource_MISC |
| https://github.com/FluidSynth/fluidsynth/issues/1728 | x_refsource_MISC |
| https://github.com/FluidSynth/fluidsynth/commit/6… | x_refsource_MISC |
| https://github.com/FluidSynth/fluidsynth/commit/9… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| FluidSynth | fluidsynth |
Affected:
>= 2.5.0, < 2.5.2
|
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CVE-2025-66627 (GCVE-0-2025-66627)
Vulnerability from cvelistv5 – Published: 2025-12-09 02:52 – Updated: 2025-12-09 15:21
VLAI
EPSS
VEX
Title
Wasmi's Linear Memory has a Critical Use After Free Vulnerability
Summary
Wasmi is a WebAssembly interpreter focused on constrained and embedded systems. In versions 0.41.0, 0.41.1, 0.42.0 through 0.47.1, 0.50.0 through 0.51.2 and 1.0.0, Wasmi's linear memory implementation leads to a Use After Free vulnerability, triggered by a WebAssembly module under certain memory growth conditions. This issue potentially leads to memory corruption, information disclosure, or code execution. This issue is fixed in versions 0.41.2, 0.47.1, 0.51.3 and 1.0.1. To workaround this issue, consider limiting the maximum linear memory sizes where feasible.
Severity
8.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-09 15:21 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/wasmi-labs/wasmi/security/advi… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wasmi-labs | wasmi |
Affected:
>= 0.41.0, < 0.41.2
Affected: >= 0.42.0, < 0.47.1 Affected: >= 0.50.0, < 0.51.3 Affected: >= 1.0.0, < 1.0.1 |
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CVE-2025-66585 (GCVE-0-2025-66585)
Vulnerability from cvelistv5 – Published: 2025-12-11 20:56 – Updated: 2026-06-04 20:28
VLAI
EPSS
VEX
Title
Use After Free vulnerability in AzeoTech DAQFactory
Summary
In AzeoTech DAQFactory release 20.7 (Build 2555), a use after free vulnerability can be exploited to cause memory corruption while parsing specially crafted .ctl files. This could allow an attacker to execute code in the context of the current process.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-15 20:30 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AzeoTech | DAQFactory |
Affected:
0 , ≤ Release 20.7 (Build 2555)
(custom)
Unaffected: Release 21.1 |
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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.