🛡️ CVE-2022-1925 — debian-linux

🟠 CVSS 7.8 — High ⚠️ Exploit Public CWE-122 NVD
7.8
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2022-1925 is classified as CWE-122: Heap-based Buffer Overflow. A write past the end of a heap allocation corrupts allocator metadata or neighbouring objects.

Affected software

CVE-2022-1925 is recorded against 2 packages.

  • debian-linux
  • gstreamer (fixed in 1.20.3)

Timeline and source

Published on 19 July 2022 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

gitlab.freedesktop.org
lists.debian.org
www.debian.org
gitlab.freedesktop.org
lists.debian.org
www.debian.org

CVE-2022-1925 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 7.8
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-122
Public Exploit ⚠️ Yes
Source NVD
Published 2022-07-19
Updated 2026-08-11
Modified 2026-06-17

Affected Packages

Software From version Fixed in
debian-linux — —
gstreamer — 1.20.3

References

Similar Threats

Exploit Protection

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