GPAC up to 2.5-DEV MP4Box src/isomedia/avc_ext.c gf_isom_nalu_sample_rewrite nalu_out_bs double free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.0$0-$5k1.57+

Summaryinfo

A vulnerability classified as critical was found in GPAC up to 2.5-DEV. This issue affects the function gf_isom_nalu_sample_rewrite of the file src/isomedia/avc_ext.c of the component MP4Box. Such manipulation of the argument nalu_out_bs leads to double free. This vulnerability is uniquely identified as CVE-2025-15667. Local access is required to approach this attack. Moreover, an exploit is present. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in GPAC up to 2.5-DEV. Affected by this issue is the function gf_isom_nalu_sample_rewrite of the file src/isomedia/avc_ext.c of the component MP4Box. The manipulation of the argument nalu_out_bs with an unknown input leads to a double free vulnerability. Using CWE to declare the problem leads to CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. Impacted is availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-15667. The exploitation is known to be easy. The attack needs to be approached locally. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept.

Applying the patch f29f955f2a3b5e8e507caad3e52319f961bf37bf is able to eliminate this problem. The bugfix is ready for download at github.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: f29f955f2a3b5e8e507caad3e52319f961bf37bf

Timelineinfo

07/04/2026 Advisory disclosed
07/04/2026 +0 days VulDB entry created
07/04/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 3403
Status: Confirmed

CVE: CVE-2025-15667 (🔒)
GCVE (CVE): GCVE-0-2025-15667
GCVE (VulDB): GCVE-100-376292
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/04/2026 07:21
Changes: 07/04/2026 07:21 (61)
Complete: 🔍
Submitter: noki
Cache ID: 216::103

Submitinfo

Accepted

Once again VulDB remains the best source for vulnerability data.

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