Buffer overflow in Gpac
CVE-2026-92473
A vulnerability was identified in GPAC 26.08-DEV. The impacted element is the function gf_sg_command_del of the file src/scenegraph/commands.c of the component BIFS Handler. The manipulation leads to use after free. The attack needs to be performed locally. The exploit is publicly available and might be used. Upgrading to version abi-16.24 is sufficient to resolve this issue. The identifier of the patch is e34f4ba349d55cd1849f0bcf4cf46552732e2db7. It is suggested 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 (6.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.0% 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 26.08-DEV
Weakness classification (CWE)
References
- github.com/gpac/gpac/ (product)
- github.com/gpac/gpac/commit/e34f4ba349d55cd1849f0bcf4cf46552732e2db7 (patch)
- github.com/gpac/gpac/issues/3830 (issue-tracking)
- github.com/gpac/gpac/releases/tag/abi-16.24 (patch)
- github.com/user-attachments/files/30635904/poc_10.zip (exploit)
- vuldb.com/cve/CVE-2026-92473 (third-party-advisory)
- vuldb.com/submit/941004 (third-party-advisory)
- vuldb.com/vuln/405732 (technical-description, vdb-entry)
- vuldb.com/vuln/405732/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-92473?
- CVE-2026-92473 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 2026-09-16.
- How severe is CVE-2026-92473?
- Low severity. CVSS v3 base score is 3.3 out of 10.