Vulnerability · Published Sep 30, 2026 · Assigned by VulDB

CVE-2026-103227GPAC DASH Client dash_client.c gf_dash_resolve_url buffer overflow

Medium 6.3

In plain English

A medium-severity buffer overflow in GPAC. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.4%top 67.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
n/a	GPAC	26.07

Weakness: CWE-120, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C

References

VDB-411908 | GPAC DASH Client dash_client.c gf_dash_resolve_url buffer overflow vdb-entry, technical-description
VDB-411908 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-103227 | CVE Analysis and Report third-party-advisory
Submit #955033 | gpac GPAC 26.07.0 and below Memory Corruption third-party-advisory
https://github.com/gpac/gpac/issues/3876 issue-tracking
https://github.com/gpac/gpac/pull/3879 issue-tracking, patch
https://github.com/gpac/gpac/commit/4c8e26f278ff63eec57968f7bc696f604bb0cffd patch
https://github.com/gpac/gpac/releases/tag/abi-16.26 patch
https://github.com/gpac/gpac/ product