Buffer overflow in Gpac
CVE-2026-4016
A security vulnerability has been detected in GPAC 26.03-DEV. Affected by this vulnerability is the function svgin_process of the file src/filters/load_svg.c of the component SVG Parser. The manipulation leads to out-of-bounds write. Local access is required to approach this attack. The exploit has been disclosed publicly and may be used. The identifier of the patch is 7618d7206cdeb3c28961dc97ab0ecabaff0c8af2. It is suggested to install a patch to address this issue.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.002 (4.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000
Affected products
- Gpac — versions 26.03-DEV
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/gpac/gpac/issues/3468 (issue-tracking)
- github.com/user-attachments/files/25494042/poc_dims_oob.py (exploit)
- github.com/gpac/gpac/commit/7618d7206cdeb3c28961dc97ab0ecabaff0c8af2 (patch)
- github.com/gpac/gpac/ (product)
Frequently asked questions
- What is CVE-2026-4016?
- CVE-2026-4016 is a medium-severity vulnerability in Gpac, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2026-03-12.
- How severe is CVE-2026-4016?
- Medium severity. CVSS v3 base score is 5.3 out of 10.