GPAC MP4Box base_scenegraph.c gf_node_deactivate_ex use after free (CVE-2026-92472) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-92472

GPAC MP4Box base_scenegraph.c gf_node_deactivate_ex use after free

Answer in brief

CVE-2026-92472 records a Unknown severity vulnerability in GPAC MP4Box base_scenegraph.c gf_node_deactivate_ex use after free. The current sources do not mark it as known exploited. The current feed maps n/a/GPAC (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 16, 2026Updated Sep 16, 2026Source checked Sep 16, 2026First seen by HOL Sep 16, 2026Material review Sep 16, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps n/a/GPAC (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
n/a/GPACgeneric	26.08-DEV	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for n/a/GPAC.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 16, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 16, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 16, 2026

Sources and claim methodology

Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.