Security Advisory 2025-0007 (CVE-2025-6663, ZDI-CAN-27381)
| Summary | Stack buffer overflow in H.266 video parser |
| Date | 2025-06-26 18:00 |
| Affected Versions | GStreamer gst-plugins-bad >= 1.26.0, < 1.26.3 |
| IDs | GStreamer-SA-2025-0007 CVE-2025-6663 ZDI-CAN-27381 |
Details
A buffer overflow in the H.266 video bitstream parser that can cause crashes for certain input files, and could possibly also allow code execution through stack manipulation.
Impact
It is possible for a malicious third party to trigger a buffer overflow that can result in a crash of the application and possibly also allow code execution through stack manipulation.
Solution
The gst-plugins-bad 1.26.3 release addresses the issue. People using older 1.26.x versions of GStreamer should apply the patch and recompile.