GPAC up to f1219cde Compositor media_object.c gf_mo_get_od_id use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k1.78

Summaryinfo

A vulnerability, which was classified as critical, has been found in GPAC up to f1219cde. This issue affects the function gf_mo_get_od_id of the file compositor/media_object.c of the component Compositor. The manipulation leads to use after free. This vulnerability is traded as CVE-2026-91087. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in GPAC up to f1219cde. It has been rated as critical. This issue affects the function gf_mo_get_od_id of the file compositor/media_object.c of the component Compositor. 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 confidentiality, integrity, and availability.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-91087. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

The exploit is available 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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: GPAC abi-16.24
Patch: e34f4ba349d55cd1849f0bcf4cf46552732e2db7

Timelineinfo

09/14/2026 Advisory disclosed
09/14/2026 +0 days VulDB entry created
09/14/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 3807
Status: Confirmed

CVE: CVE-2026-91087 (🔒)
GCVE (CVE): GCVE-0-2026-91087
GCVE (VulDB): GCVE-100-403649
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/14/2026 20:05
Changes: 09/14/2026 20:05 (62)
Complete: 🔍
Submitter: wsstssw
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #919756: GPAC master f1219cde (2026-07-25) Use After Free (by wsstssw)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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