Buffer overflow in Gpac
CVE-2026-90577
A vulnerability was detected in GPAC up to f1219cde. Affected by this vulnerability is the function gf_node_get_field of the file scenegraph/base_scenegraph.c of the component MP4Box. Performing a manipulation results in heap-based buffer overflow. The attack is only possible with local access. The exploit is now public and may be used. Upgrading to version abi-16.23 addresses this issue. The patch is named 49dee5cad329cfed310c1682703df7daa47df31a. The affected component should be upgraded.
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 (7.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.5% 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 f1219cde
Weakness classification (CWE)
References
- vuldb.com/vuln/403162 (technical-description, vdb-entry)
- vuldb.com/vuln/403162/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-90577 (third-party-advisory)
- vuldb.com/submit/913216 (third-party-advisory)
- github.com/gpac/gpac/issues/3816 (issue-tracking)
- github.com/r1ck9-2q/cve_summit/blob/main/Vuln-GPAC-MP4Box-Heap-Buffer-Overflow-… (exploit)
- github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a (patch)
- github.com/gpac/gpac/releases/tag/abi-16.23 (patch)
- github.com/gpac/gpac/ (product)
Frequently asked questions
- What is CVE-2026-90577?
- CVE-2026-90577 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 2026-09-13.
- How severe is CVE-2026-90577?
- Medium severity. CVSS v3 base score is 5.3 out of 10.