Buffer overflow in Gpac
CVE-2026-90824
A vulnerability has been found in GPAC 26.07.0. Affected is the function gf_sg_dom_event_bubble of the file src/scenegraph/dom_events.c of the component MP4Box. The manipulation leads to stack-based buffer overflow. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used. Upgrading to version abi-16.23 is able to address this issue. The identifier of the patch is 9eb40df4448b88d6a6ce3454657c06f47eff0b24. It is recommended to upgrade the affected component.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (7.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Gpac — versions 26.07.0
Weakness classification (CWE)
References
- github.com/gpac/gpac/ (product)
- github.com/gpac/gpac/commit/9eb40df4448b88d6a6ce3454657c06f47eff0b24 (patch)
- github.com/gpac/gpac/issues/3804 (issue-tracking)
- github.com/gpac/gpac/releases/tag/abi-16.23 (patch)
- github.com/user-attachments/files/30398880/poc_08_add.zip (exploit)
- vuldb.com/cve/CVE-2026-90824 (third-party-advisory)
- vuldb.com/submit/914949 (third-party-advisory)
- vuldb.com/vuln/403326 (technical-description, vdb-entry)
- vuldb.com/vuln/403326/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-90824?
- CVE-2026-90824 is a low-severity vulnerability in Gpac, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2026-09-14.
- How severe is CVE-2026-90824?
- Low severity. CVSS v3 base score is 3.3 out of 10.