Buffer overflow in Gpac
CVE-2026-92475
A weakness has been identified in GPAC 26.08-DEV. This impacts the function wait_for_header_and_parse of the file src/utils/downloader.c. This manipulation of the argument Content-Range causes out-of-bounds read. The attack requires local access. The exploit has been made available to the public and could be used for attacks. Upgrading to version abi-16.26 will fix this issue. Patch name: c74a3065038ede35c1c7b75fa493a69ef6bcdb84. It is recommended to upgrade the affected component.
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 (5.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.0% 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
- vuldb.com/vuln/405734 (technical-description, vdb-entry)
- vuldb.com/vuln/405734/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-92475 (third-party-advisory)
- vuldb.com/submit/941761 (third-party-advisory)
- github.com/gpac/gpac/issues/3859 (issue-tracking, exploit)
- github.com/gpac/gpac/commit/c74a3065038ede35c1c7b75fa493a69ef6bcdb84 (patch)
- github.com/gpac/gpac/releases/tag/abi-16.26 (patch)
- github.com/gpac/gpac/ (product)
Frequently asked questions
- What is CVE-2026-92475?
- CVE-2026-92475 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 2026-09-16.
- How severe is CVE-2026-92475?
- Medium severity. CVSS v3 base score is 5.3 out of 10.