EUVD-2026-78165
GHSA-gr8c-qjcx-xc56
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 tool processing attacker-supplied file with low privileges; crash-only impact with no data exposure or integrity effect.
Primary rating from Vendor (vuldb).
CVSS VectorVendor: vuldb
Lifecycle Timeline
4DescriptionCVE.org
A vulnerability was identified in GPAC 26.07.0. This affects the function gf_node_deactivate_ex of the file scenegraph/base_scenegraph.c of the component MP4Box. Such manipulation leads to use after free. 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 mitigate this issue. The name of the patch is 49dee5cad329cfed310c1682703df7daa47df31a. You should upgrade the affected component.
AnalysisAI
Use-after-free in GPAC 26.07.0's MP4Box component allows a local user to crash the application by supplying a crafted MP4 file containing a malformed BIFS scene graph. The flaw resides in gf_node_deactivate_ex() within scenegraph/base_scenegraph.c, where a scenegraph node with a zero instance count could be dereferenced after release because an assertion (gf_assert) was used instead of a guarded early return. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires local execution of the GPAC MP4Box command-line tool (AV:L, PR:L per CVSS 4.0) against a crafted input file. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world risk is low. … 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 version abi-16.23 or later, which contains fix commit 49dee5cad329cfed310c1682703df7daa47df31a available at https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a; the release is tagged at https://github.com/gpac/gpac/releases/tag/abi-16.23. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-119 – Buffer Overflow
View allSame technique Denial Of Service
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External POC / Exploit Code
Leaving vuln.today