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GPAC MP4Box CVE-2026-90612

| EUVDEUVD-2026-77167 LOW
Reachable Assertion (CWE-617)
2026-09-14 VulDB GHSA-4vjf-m49p-5r5w
Denial Of Service Gpac N A
1.9
CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY
1.9 MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
3.3 LOW

Local-only attack via crafted file with low-privilege user; sole impact is process crash, no confidentiality or integrity exposure.

3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

5
Severity Changed
Sep 14, 2026 - 02:22 NVD
MEDIUM LOW
CVSS changed
Sep 14, 2026 - 02:22 NVD
4.8 (MEDIUM) 1.9 (LOW)
Source Code Evidence Fetched
Sep 14, 2026 - 01:48 vuln.today
Analysis Generated
Sep 14, 2026 - 01:48 vuln.today
CVE Published
Sep 14, 2026 - 01:15 cve.org
MEDIUM 4.8

DescriptionCVE.org

A vulnerability was identified in GPAC up to f1219cde. Affected is the function gf_sm_dump_command_list of the file scene_manager/scene_dump.c of the component MP4Box. The manipulation leads to reachable assertion. The attack must be carried out locally. The exploit is publicly available and might be used. Upgrading to version abi-16.23 is able to address this issue. The identifier of the patch is afca1f1181668d85941d51ed1adf647807d5d975. Upgrading the affected component is advised.

AnalysisAI

Reachable assertion in GPAC's MP4Box tool (up to commit f1219cde) causes process abort when processing a crafted MPEG-4 scene file: gf_sm_dump_command_list() in scene_manager/scene_dump.c fires gf_assert(!sdump->current_com_list) if the command-list pointer is already populated at dump time, crashing MP4Box. A local attacker with standard user privileges who can supply input to the MP4Box binary can trigger this denial of service. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Exploitation requires local system access with at minimum standard (non-root) user privileges sufficient to execute the MP4Box binary. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 base score of 4.8 (Medium) with vector AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L is well-calibrated: local access with standard user privileges is required, and the sole impact is aborting the MP4Box process (VA:L) with no confidentiality or integrity exposure. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade GPAC to release abi-16.23 (https://github.com/gpac/gpac/releases/tag/abi-16.23), which incorporates patch commit afca1f1181668d85941d51ed1adf647807d5d975 and hardens multiple assertion paths across the codebase. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-90612 vulnerability details – vuln.today
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