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GPAC MP4Box EUVDEUVD-2026-77054

| CVE-2026-90573 LOW
NULL Pointer Dereference (CWE-476)
2026-09-13 VulDB GHSA-78gm-9375-9qmx
Denial Of Service Null Pointer Dereference 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 file-based trigger, low-privilege user sufficient, no confidentiality or integrity impact, single-process crash only.

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 13, 2026 - 18:22 NVD
MEDIUM LOW
CVSS changed
Sep 13, 2026 - 18:22 NVD
4.8 (MEDIUM) 1.9 (LOW)
Source Code Evidence Fetched
Sep 13, 2026 - 18:06 vuln.today
Analysis Generated
Sep 13, 2026 - 18:06 vuln.today
CVE Published
Sep 13, 2026 - 17:30 cve.org
MEDIUM 4.8

DescriptionCVE.org

A vulnerability was identified in GPAC up to f1219cde. The impacted element is the function gf_sg_mfurl_del of the file scenegraph/vrml_tools.c of the component MP4Box. The manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit is publicly available and might be used. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. Upgrading to version abi-16.23 is sufficient to resolve this issue. The identifier of the patch is 49dee5cad329cfed310c1682703df7daa47df31a. It is recommended to upgrade the affected component.

AnalysisAI

Null pointer dereference in GPAC's MP4Box tool crashes the process when parsing crafted MPEG-4/VRML scene graph data containing a malformed MFURL field, triggering the flaw inside gf_sg_mfurl_del() during scene graph cleanup. Local, low-privileged users can cause a denial of service by feeding MP4Box a specially crafted file; there is no confidentiality or integrity impact. …

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Attack ChainAIDerived

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Vulnerability AssessmentAI

Exploitation Exploitation requires local access to a system with GPAC MP4Box installed, and the ability to run MP4Box as a standard (low-privilege) user - no administrator or root privileges are needed. … 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 the release tagged abi-16.23 or any commit at or after 49dee5cad329cfed310c1682703df7daa47df31a, available at https://github.com/gpac/gpac/releases/tag/abi-16.23 and https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a. … Detailed patch versions, workarounds, and compensating controls in full report.
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EUVD-2026-77054 vulnerability details – vuln.today
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