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CVE-2026-90791

GPAC MP4Box base_scenegraph.c gf_node_unregister use after free

MEDIUM
6.3
CVSS Score
Published: September 14, 2026 at 02:45 PM UTC
Updated: September 15, 2026 at 03:17 PM UTC
1 product affected across 1 vendorGpac

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

A vulnerability was detected in GPAC up to f1219cde. This vulnerability affects the function gf_node_unregister of the file scenegraph/base_scenegraph.c of the component MP4Box. The manipulation results in use after free. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version abi-16.23 is able to resolve this issue. The patch is identified as 9eb40df4448b88d6a6ce3454657c06f47eff0b24. Upgrading the affected component is recommended.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Gpac· Gpac
95%
All versionsf1219cde
Vendor states this is fixed in abi-16.23 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (9)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/403297
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403297/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-90791
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/914122
Issue Tracking
Source: cverecord
https://github.com/gpac/gpac/issues/3801
Exploit
Source: cverecord
https://github.com/Ech06/CVE_submit/blob/main/gpac_3801.md
Patch
Source: cverecord
https://github.com/gpac/gpac/commit/9eb40df4448b88d6a6ce3454657c06f47eff0b24
Patch
Source: cverecord
https://github.com/gpac/gpac/releases/tag/abi-16.23

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-416CWE-119

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