CVE-2022-1925

HIGH
7.8
CVSS Score
Published: July 19, 2022 at 07:10 PM UTC
Updated: June 17, 2026 at 04:23 AM UTC
2 products affected across 2 vendorsDebian LinuxGstreamer

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Severity
HIGH7.8
Exploit prediction
EPSS 0.5%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.20.31.20.3
Affected range stops below 1.20.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/1225
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/08/msg00001.html
Vendor Advisoryx_refsource_DEBIANThird Party Advisory
https://www.debian.org/security/2022/dsa-5204

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-122CWE-190

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