gstreamer/security-advisories/sa-2023-0008.md
Tim-Philipp Müller 95ca7014c8 security-advisories: import from www module
Ship these also as part of the monorepo, so we can prepare
new advisories as part of the relevant merge requests in
the private gstreamer-security repository.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7610>
2024-10-04 19:18:45 +00:00

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# Security Advisory 2023-0008 (ZDI-CAN-21768, CVE-2023-40476)
<div class="vertical-table">
| | |
| ----------------- | --- |
| Summary | Integer overflow in H.265 video parser leading to stack overwrite |
| Date | 2023-09-20 20:00 |
| Affected Versions | GStreamer gst-plugins-bad < 1.22.6 |
| IDs | GStreamer-SA-2023-0008<br/>ZDI-CAN-21768<br/>CVE-2023-40476 |
</div>
## Details
Stack-based buffer overflow in the H.265 video parser when handling malformed H.265 video streams in GStreamer versions before 1.22.6
## Impact
It is possible for a malicious third party to trigger a crash in the application, and possibly also effect code execution through stack manipulation.
## Solution
The gst-plugins-bad 1.22.6 releases address the issue. People using older branches of GStreamer should apply the patch and recompile.
## References
### The GStreamer project
- [https://gstreamer.freedesktop.org](https://gstreamer.freedesktop.org)
### CVE Database Entries
- [CVE-2023-40476](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-40476)
### GStreamer 1.22.6 release
- [Release Notes](/releases/1.22/#1.22.6)
- [GStreamer Plugins Bad 1.22.6](/src/gst-plugins-bad/gst-plugins-bad-1.22.6.tar.xz)
### Patches
- [Patches](https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5364.patch)