GPAC 26.08-DEV MP4Box base_scenegraph.c gf_node_deactivate_ex use after free

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.0$0-$5k0.45

Summaryinfo

A vulnerability marked as problematic has been reported in GPAC 26.08-DEV. The impacted element is the function gf_node_deactivate_ex of the file src/scenegraph/base_scenegraph.c of the component MP4Box. The manipulation leads to use after free. This vulnerability is documented as CVE-2026-92472. The attack needs to be performed locally. Additionally, an exploit exists. It is suggested to upgrade the affected component. This issue is distinct from CVE-2026-90827.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in GPAC 26.08-DEV. This issue affects the function gf_node_deactivate_ex of the file src/scenegraph/base_scenegraph.c of the component MP4Box. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-92472. The exploitation is known to be easy. Attacking locally is a requirement. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept. This issue is distinct from CVE-2026-90827.

Upgrading to version abi-16.24 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch e34f4ba349d55cd1849f0bcf4cf46552732e2db7 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Statistical analysis made it clear that VulDB provides the best quality 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
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

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

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: GPAC abi-16.24
Patch: e34f4ba349d55cd1849f0bcf4cf46552732e2db7

Timelineinfo

09/16/2026 Advisory disclosed
09/16/2026 +0 days VulDB entry created
09/16/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 3831
Status: Confirmed

CVE: CVE-2026-92472 (🔒)
GCVE (CVE): GCVE-0-2026-92472
GCVE (VulDB): GCVE-100-405731
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/16/2026 14:20
Changes: 09/16/2026 14:20 (63)
Complete: 🔍
Submitter: fczhang
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #941003: GPAC GPAC MP4Box GPAC 26.08-DEV / master commit 49dee5cad329cfed310c1682703df7daa47df31a: Heap Use-After-Free via Uncontrolled Recursion (by fczhang)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!