CVE-2022-1920

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-07-19 · updated 2026-06-17
Weakness: CWE-122

Description

Integer overflow in matroskademux element in gst_matroska_demux_add_wvpk_header function which allows a heap overwrite while parsing matroska files. Potential for arbitrary code execution through heap overwrite.

Affected products

Debian Linux: 10.0, 11.0
GStreamer: before 1.20.3 — fixed in 1.20.3

How to fix

Upgrade to a fixed version: GStreamer 1.20.3. Check the vendor advisory for mitigations.

References

https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/1226
https://lists.debian.org/debian-lts-announce/2022/08/msg00001.html
https://www.debian.org/security/2022/dsa-5204
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/1226
https://lists.debian.org/debian-lts-announce/2022/08/msg00001.html
https://www.debian.org/security/2022/dsa-5204

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