CVE-2026-91090

GPAC base_scenegraph.c gf_node_activate_ex stack-based overflow

State: Published
Severity: 2.4 Low
Published: Sep 15, 2026
Updated: Sep 17, 2026
Reserved: Sep 14, 2026

Description

A vulnerability was determined in GPAC up to f1219cde. The affected element is the function gf_node_activate_ex of the file scenegraph/base_scenegraph.c. This manipulation causes stack-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.23 is sufficient to fix this issue. Patch name: 9eb40df4448b88d6a6ce3454657c06f47eff0b24. The affected component should be upgraded.

Scores

CVSS	Score	Vector	Source
4.0	2.4 Low	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	3.9 Low	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L/E:P/RL:O/RC:C	VulDB
3.0	3.9 Low	CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L/E:P/RL:O/RC:C	VulDB
2.0	3.2 Low	AV:L/AC:L/Au:S/C:N/I:P/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-121 Stack-based Buffer Overflow
CWE-119 Memory Corruption

Affected Products

Product	Versions
GPACn/a	f1219cdeAffected abi-16.23Not affected

References

VDB-403652 | GPAC base_scenegraph.c gf_node_activate_ex stack-based overflowvdb-entrytechnical-description
VDB-403652 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-91090 | CVE Analysis and Reportthird-party-advisory
Submit #919759 | GPAC master f1219cde (2026-07-25) Stack Overflowthird-party-advisory
https://github.com/gpac/gpac/issues/3810issue-tracking
https://github.com/user-attachments/files/30399928/poc_17_nstatx.zipexploit
https://github.com/gpac/gpac/commit/9eb40df4448b88d6a6ce3454657c06f47eff0b24patch
https://github.com/gpac/gpac/releases/tag/abi-16.23patch
https://github.com/gpac/gpac/product

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