Severity by source
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
Local-only attack via crafted file with low-privilege user; sole impact is process crash, no confidentiality or integrity exposure.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
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5DescriptionCVE.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
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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Heap Buffer Overflow vulnerability in GPAC version 2.3-DEV-rev617-g671976fcc-master, allows attackers to execute arbitra
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Same weakness CWE-617 – Reachable Assertion
View allSame technique Denial Of Service
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-77167
GHSA-4vjf-m49p-5r5w