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GPAC MP4Box CVE-2026-92472

| EUVDEUVD-2026-80994 LOW
Use After Free (CWE-416)
2026-09-16 VulDB GHSA-762r-99p2-593p
Denial Of Service Use After Free Memory Corruption Gpac
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 file-parsing UAF requiring the victim to open crafted content (UI:R, PR:N over config-control), crash-only so A:L with C:N/I:N.

3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
4.0 AV:L/AC:L/AT:N/PR:N/UI:P/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
Metadata Corrected
Sep 16, 2026 - 20:40 vuln.today
tag: N A removed
Analysis Generated
Sep 16, 2026 - 19:42 vuln.today
Severity Changed
Sep 16, 2026 - 19:22 NVD
MEDIUM LOW
CVSS changed
Sep 16, 2026 - 19:22 NVD
4.8 (MEDIUM) 1.9 (LOW)
CVE Published
Sep 16, 2026 - 18:45 cve.org
LOW 1.9

DescriptionCVE.org

A vulnerability was determined in GPAC 26.08-DEV. The affected element is the function gf_node_deactivate_ex of the file src/scenegraph/base_scenegraph.c of the component MP4Box. Executing a manipulation can lead to use after free. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.24 is sufficient to fix this issue. This patch is called e34f4ba349d55cd1849f0bcf4cf46552732e2db7. The affected component should be upgraded. This issue is distinct from CVE-2026-90827.

AnalysisAI

Local use-after-free in GPAC's scenegraph command handling (gf_sg_command_apply / gf_node_deactivate_ex) lets an attacker crash MP4Box and other GPAC-based tools when a victim opens or converts a crafted LASeR/SVG scene, or an MP4 that embeds one. The vector is local and requires the victim to process the malicious media, and the assessed impact is availability only (process crash; C:N/I:N/A:L) with no confidentiality or integrity loss and no demonstrated code execution. …

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Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Exploitation requires a victim to process an attacker-crafted LASeR/SVG scene (or MP4 embedding one) with GPAC/MP4Box; the bug lies in scenegraph command application (gf_sg_command_apply) that reuses a freed node reference in gf_node_deactivate_ex. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a low-severity, local, DoS-class use-after-free in GPAC's scenegraph command handling (gf_node_deactivate_ex / gf_sg_command_apply), reached when GPAC/MP4Box parses a crafted LASeR/SVG scene file. … 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 Vendor-released patch: upgrade to GPAC abi-16.24 or later (https://github.com/gpac/gpac/releases/tag/abi-16.24), or apply upstream commit e34f4ba349d55cd1849f0bcf4cf46552732e2db7, as referenced by the VulDB advisory https://vuldb.com/vuln/405731 and the upstream issue https://github.com/gpac/gpac/issues/3831. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-92472 vulnerability details – vuln.today
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