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CVE-2026-91090

GPAC base_scenegraph.c gf_node_activate_ex stack-based overflow

LOW
3.9
CVSS Score
Published: September 15, 2026 at 07:30 AM UTC
Updated: September 17, 2026 at 02:17 PM UTC
1 product affected across 1 vendorGpac

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Severity
LOW3.9
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Gpac· Gpac
95%
All versionsf1219cde
Vendor states this is fixed in abi-16.23 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (9)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/403652
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403652/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-91090
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/919759
Issue Tracking
Source: cverecord
https://github.com/gpac/gpac/issues/3810
Exploit
Source: cverecord
https://github.com/user-attachments/files/30399928/poc_17_nstatx.zip
Patch
Source: cverecord
https://github.com/gpac/gpac/commit/9eb40df4448b88d6a6ce3454657c06f47eff0b24
Patch
Source: cverecord
https://github.com/gpac/gpac/releases/tag/abi-16.23

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.9LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-121CWE-119

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