VDB-405732 · Submit #941004 · CVE-2026-92473

GPAC 26.08-DEV BIFS commands.c gf_sg_command_del 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-$5k	2.69

Summaryinfo

A vulnerability described as problematic has been identified in GPAC 26.08-DEV. This affects the function gf_sg_command_del of the file src/scenegraph/commands.c of the component BIFS Handler. The manipulation results in use after free. This vulnerability is reported as CVE-2026-92473. The attack requires a local approach. Moreover, an exploit is present. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in GPAC 26.08-DEV. Affected is the function gf_sg_command_del of the file src/scenegraph/commands.c of the component BIFS Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on availability.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-92473. The exploitability is told to be easy. The attack needs to be approached locally. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Multimedia Player Software

Name

GPAC

Version

26.08-DEV

License

open-source

Website

Product: https://github.com/gpac/gpac/

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

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: 3830
Status: Confirmed

CVE: CVE-2026-92473 (🔒)
GCVE (CVE): GCVE-0-2026-92473
GCVE (VulDB): GCVE-100-405732
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/16/2026 14:20
Changes: 09/16/2026 14:20 (62)
Complete: 🔍
Submitter: fczhang
Cache ID: 216::103

Submitinfo

Accepted

Submit #941004: GPAC GPAC MP4Box GPAC 26.08-DEV / master commit 49dee5cad329cfed310c1682703df7daa47df31a: Heap Use-After-Free / Invalid Pointer Dereference (by fczhang)