GPAC up to f1219cde MPEG Video Reframer filters/reframe_mpgvid.c mpgviddmx_process heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k1.68

Summaryinfo

A vulnerability classified as critical has been found in GPAC up to f1219cde. This affects the function mpgviddmx_process of the file filters/reframe_mpgvid.c of the component MPEG Video Reframer. Performing a manipulation results in heap-based overflow. This vulnerability is reported as CVE-2026-91086. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in GPAC up to f1219cde. It has been classified as critical. This affects the function mpgviddmx_process of the file filters/reframe_mpgvid.c of the component MPEG Video Reframer. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-91086. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. 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-16.23 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch afca1f1181668d85941d51ed1adf647807d5d975 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.

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Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / 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-16.23
Patch: afca1f1181668d85941d51ed1adf647807d5d975

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: 3806
Status: Confirmed

CVE: CVE-2026-91086 (🔒)
GCVE (CVE): GCVE-0-2026-91086
GCVE (VulDB): GCVE-100-403647
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 #919755: GPAC master f1219cde (2026-07-25) Buffer Overflow (by wsstssw)

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