What’s Vulnerable › Vulnerabilities

CVE-2022-1925

• 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

DOS / potential heap overwrite in mkv demuxing using HEADERSTRIP decompression. Integer overflow in matroskaparse element in gst_matroska_decompress_data function which causes a heap overflow. Due to restrictions on chunk sizes in the matroskademux element, the overflow can't be triggered, however the matroskaparse element has no size checks.

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/1225
• 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/1225
• https://lists.debian.org/debian-lts-announce/2022/08/msg00001.html
• https://www.debian.org/security/2022/dsa-5204

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