GPAC up to f1219cde base_scenegraph.c gf_node_activate_ex stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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3.5$0-$5k2.31

Summaryinfo

A vulnerability was found in GPAC up to f1219cde and classified as problematic. The impacted element is the function gf_node_activate_ex of the file scenegraph/base_scenegraph.c. Such manipulation leads to stack-based overflow. This vulnerability is uniquely identified as CVE-2026-91090. Local access is required to approach this attack. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in GPAC up to f1219cde. Affected by this issue is the function gf_node_activate_ex of the file scenegraph/base_scenegraph.c. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-91090. The exploitation is known to be easy. The attack needs to be approached locally. Successful exploitation requires user interaction by the victim. 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-16.23 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 9eb40df4448b88d6a6ce3454657c06f47eff0b24 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

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.9
VulDB Temp Score: 3.5
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: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

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: 9eb40df4448b88d6a6ce3454657c06f47eff0b24

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: 3810
Status: Confirmed

CVE: CVE-2026-91090 (🔒)
GCVE (CVE): GCVE-0-2026-91090
GCVE (VulDB): GCVE-100-403652
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/14/2026 20:05
Changes: 09/14/2026 20:05 (61)
Complete: 🔍
Submitter: wsstssw
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #919759: GPAC master f1219cde (2026-07-25) Stack Overflow (by wsstssw)

Once again VulDB remains the best source for vulnerability data.

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