Buffer overflow in Gpac
CVE-2026-93331
A vulnerability was identified in GPAC 26.08-DEV. This vulnerability affects the function gf_rtp_parse_ttxt of the file src/ietf/rtp_depacketizer.c of the component RTP Depacketizer. Such manipulation of the argument size leads to out-of-bounds read. It is possible to launch the attack remotely. Upgrading to version abi-16.26 is able to resolve this issue. The name of the patch is 6bb0f64b4d1039c0fecd14ee2c1ee861d8661a68. The affected component should be upgraded.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.005 (45.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Gpac — versions 26.08-DEV
Weakness classification (CWE)
References
- vuldb.com/vuln/406641 (technical-description, vdb-entry)
- vuldb.com/vuln/406641/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-93331 (third-party-advisory)
- vuldb.com/submit/942834 (third-party-advisory)
- github.com/gpac/gpac/issues/3868 (issue-tracking)
- github.com/gpac/gpac/commit/6bb0f64b4d1039c0fecd14ee2c1ee861d8661a68 (patch)
- github.com/gpac/gpac/releases/tag/abi-16.26 (patch)
- github.com/gpac/gpac/ (product)
Frequently asked questions
- What is CVE-2026-93331?
- CVE-2026-93331 is a high-severity vulnerability in Gpac, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.3/10. Published 2026-09-18.
- How severe is CVE-2026-93331?
- High severity. CVSS v3 base score is 7.3 out of 10.