CVE-2025-15667

GPAC MP4Box avc_ext.c gf_isom_nalu_sample_rewrite double free

LOW
3.3
CVSS Score
Published: July 6, 2026 at 11:15 AM UTC
Updated: October 12, 2026 at 07:10 PM UTC
1 product affected across 1 vendorGpac

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Severity
LOW3.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

A vulnerability was determined in GPAC up to 2.5-DEV. This vulnerability affects the function gf_isom_nalu_sample_rewrite of the file src/isomedia/avc_ext.c of the component MP4Box. This manipulation of the argument nalu_out_bs causes double free. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Patch name: f29f955f2a3b5e8e507caad3e52319f961bf37bf. To fix this issue, it is recommended to deploy a patch.

Affected

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

All versions2.5-DEV

Remediation

No guide yet

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

References (8)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/376292
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/376292/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2025-15667
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/846839
Issue Tracking
Source: cverecord
https://github.com/gpac/gpac/issues/3403
Product
Source: cverecord
https://github.com/gpac/gpac/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

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

CVSS

3.3LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-415CWE-119

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