CVE-2026-90578: Use After Free in GPAC
CVE-2026-90578 is a use-after-free vulnerability in the GPAC project's MP4Box component, specifically in the gf_list_count function within utils/list.c. This flaw allows local attackers with low privileges to manipulate the program leading to use-after-free conditions. Exploit code has been published, but exploitation requires local access. The issue is resolved by upgrading to GPAC version abi-16.23, which includes a patch identified by commit 49dee5cad329cfed310c1682703df7daa47df31a.
AI Analysis
Technical Summary
A use-after-free vulnerability exists in GPAC up to commit f1219cde in the gf_list_count function of utils/list.c in the MP4Box component. Local attackers with low privileges can trigger this flaw. The vulnerability has a CVSS 4.8 (medium) score with local attack vector, low complexity, no user interaction, and partial impacts on confidentiality, integrity, and availability. The vulnerability is fixed in GPAC version abi-16.23 by commit 49dee5cad329cfed310c1682703df7daa47df31a.
Potential Impact
The vulnerability allows a local attacker to cause a use-after-free condition, potentially leading to program crashes or other undefined behavior affecting confidentiality, integrity, and availability to a limited extent. Exploit code is publicly available, but exploitation requires local access and low privileges, limiting the attack scope.
Mitigation Recommendations
Upgrade GPAC to version abi-16.23 or later, which contains the official fix for this use-after-free vulnerability. Applying this patch fully mitigates the issue. No additional mitigation steps are indicated.
CVE-2026-90578: Use After Free in GPAC
Description
CVE-2026-90578 is a use-after-free vulnerability in the GPAC project's MP4Box component, specifically in the gf_list_count function within utils/list.c. This flaw allows local attackers with low privileges to manipulate the program leading to use-after-free conditions. Exploit code has been published, but exploitation requires local access. The issue is resolved by upgrading to GPAC version abi-16.23, which includes a patch identified by commit 49dee5cad329cfed310c1682703df7daa47df31a.
CVSS v4.0
Score 4.8medium
Affected software
GPAC
cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
A use-after-free vulnerability exists in GPAC up to commit f1219cde in the gf_list_count function of utils/list.c in the MP4Box component. Local attackers with low privileges can trigger this flaw. The vulnerability has a CVSS 4.8 (medium) score with local attack vector, low complexity, no user interaction, and partial impacts on confidentiality, integrity, and availability. The vulnerability is fixed in GPAC version abi-16.23 by commit 49dee5cad329cfed310c1682703df7daa47df31a.
Potential Impact
The vulnerability allows a local attacker to cause a use-after-free condition, potentially leading to program crashes or other undefined behavior affecting confidentiality, integrity, and availability to a limited extent. Exploit code is publicly available, but exploitation requires local access and low privileges, limiting the attack scope.
Mitigation Recommendations
Upgrade GPAC to version abi-16.23 or later, which contains the official fix for this use-after-free vulnerability. Applying this patch fully mitigates the issue. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-12T16:34:13.850Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aa6f32a55bf5e2cf5f46f55
Added to database: 09/13/2026, 19:02:02 UTC
Last enriched: 09/13/2026, 19:16:27 UTC
Last updated: 09/13/2026, 19:21:30 UTC
Views: 5
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