What is CVE-2026-91089?

CVE-2026-91089 is a medium-severity vulnerability in Gpac, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2026-09-15.

How severe is CVE-2026-91089?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Buffer overflow in Gpac

CVE-2026-91089

A vulnerability was found in GPAC up to f1219cde. Impacted is the function gf_node_get_name_and_id of the file scenegraph/base_scenegraph.c. The manipulation results in use after free. It is possible to launch the attack remotely. The exploit has been made public and could be used. Upgrading to version abi-16.23 is recommended to address this issue. The patch is identified as 49dee5cad329cfed310c1682703df7daa47df31a. You should upgrade the affected component.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.

Affected products

N/a Gpac — versions f1219cde

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (issue-tracking)
cna@vuldb.com (exploit)
cna@vuldb.com (patch)
cna@vuldb.com (patch)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-91089?: CVE-2026-91089 is a medium-severity vulnerability in Gpac, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2026-09-15.
How severe is CVE-2026-91089?: Medium severity. CVSS v3 base score is 6.3 out of 10.