CVE-2026-100229
No fix known EPSS <1%CVSS 6.5
A flaw was found in GStreamer's H.266 codec parser library (libgstcodecparsers). An out-of-bounds write vulnerability exists in the DCI parsing function, where a reserved field value is incorrectly accepted, causing the parser to write beyond the bounds of an internal structure. An attacker could exploit this by providing a specially crafted H.266 bitstream to a third-party application that uses this library API, potentially causing a crash or memory corruption. No standard GStreamer pipeline element currently invokes the affected code path.
Products: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | gst-plugins-bad1.0 | no fix |
| Debian 13 | gst-plugins-bad1.0 | no fix |
| Debian 14 | gst-plugins-bad1.0 | no fix |
| Ubuntu 26.04 LTS | gst-plugins-bad1.0 | no fix |
| Ubuntu 26.10 | gst-plugins-bad1.0 | no fix |
| Ubuntu Pro 14.04 LTS | gst-plugins-bad1.0 | no fix |
| Ubuntu Pro 16.04 LTS | gst-plugins-bad1.0 | no fix |
| Ubuntu Pro 18.04 LTS | gst-plugins-bad1.0 | no fix |
| Ubuntu Pro 20.04 LTS | gst-plugins-bad1.0 | no fix |
| Ubuntu Pro 22.04 LTS | gst-plugins-bad1.0 | no fix |
| Ubuntu Pro 24.04 LTS | gst-plugins-bad1.0 | no fix |