CVE-2021-3498

HIGH 7.8CVE-2021-3498 · Published 19/04/2021 · updated 17/06/2026

In short

CVE-2021-3498 is a HIGH (CVSS 7.8) vulnerability affecting gstreamer (gstreamer).
Chance of exploitation in the next 30 days (EPSS): 1.8%, higher than 78.0% of all vulnerabilities.
Fix: update to 1.18.4 or later.

Package	Affected versions	Patched versions
gstreamer gstreamer	`≥ 1.0.0, < 1.18.4`	`1.18.4`

GStreamer before 1.18.4 might cause heap corruption when parsing certain malformed Matroska files.

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Package

Affected versions

Patched versions

≥ 1.0.0, < 1.18.4

1.18.4

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