| Name | CVE-2026-18299 |
| Description | GStreamer rtpsbcdepay Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the processing of RTP payload elements. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29787. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| gst-plugins-good1.0 (PTS) | bullseye | 1.18.4-2+deb11u2 | vulnerable |
| bullseye (security) | 1.18.4-2+deb11u4 | vulnerable | |
| bookworm | 1.22.0-5+deb12u3 | vulnerable | |
| bookworm (security) | 1.22.0-5+deb12u2 | vulnerable | |
| trixie (security), trixie | 1.26.2-1+deb13u2 | vulnerable | |
| forky, sid | 1.28.6-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| gst-plugins-good1.0 | source | (unstable) | 1.28.5-1 |
https://gstreamer.freedesktop.org/security/sa-2026-0051.html
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/12042
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/abd0d9defda6139667a1a4bf44c20de20e9f54bf
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/3aaa02cc55fec1615a7f82501b6c219a7c254fc5
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/bc471af9183b5495fea3770321fcb8664003ab21
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/d3abc9f5140a524c05e71153fb4584f970063be2 (1.28.5)
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/223becb0e39d6178c215cb8a2b956686b701c314 (1.28.5)
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/3745e22c706054822d9e25fa2b3cdfb83127e40c (1.28.5)