Buffer overflow in Gpac
CVE-2026-103227
A weakness has been identified in GPAC up to 26.07.0. Affected by this issue is the function gf_dash_resolve_url of the file src/media_tools/dash_client.c of the component DASH Client. This manipulation causes buffer overflow. The attack is possible to be carried out remotely. Upgrading to version abi-16.26 can resolve this issue. Patch name: 4c8e26f278ff63eec57968f7bc696f604bb0cffd. It is recommended to upgrade the affected component.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Gpac — versions 26.07
Weakness classification (CWE)
References
- vuldb.com/vuln/411908 (technical-description, vdb-entry)
- vuldb.com/vuln/411908/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-103227 (third-party-advisory)
- vuldb.com/submit/955033 (third-party-advisory)
- github.com/gpac/gpac/issues/3876 (issue-tracking)
- github.com/gpac/gpac/pull/3879 (issue-tracking, patch)
- github.com/gpac/gpac/commit/4c8e26f278ff63eec57968f7bc696f604bb0cffd (patch)
- github.com/gpac/gpac/releases/tag/abi-16.26 (patch)
- github.com/gpac/gpac/ (product)
Frequently asked questions
- What is CVE-2026-103227?
- CVE-2026-103227 is a medium-severity vulnerability in Gpac, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2026-09-30.
- How severe is CVE-2026-103227?
- Medium severity. CVSS v3 base score is 6.3 out of 10.