CVE-2019-12874

An issue was discovered in zlib_decompress_extra in modules/demux/mkv/ ...

Published 18 Jun 2019Modified 17 Jun 2026CWE 415

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Ubuntu (medium).

Description

An issue was discovered in zlib_decompress_extra in modules/demux/mkv/util.cpp in VideoLAN VLC media player 3.x through 3.0.7. The Matroska demuxer, while parsing a malformed MKV file type, has a double free.

Affected packages and fixed versions

Source	Package	Fixed in
debian 11	vlc	3.0.7-1
debian 12	vlc	3.0.7-1
debian 13	vlc	3.0.7-1
debian 14	vlc	3.0.7-1
debian 8	vlc	no fix listed
debian 9	vlc	3.0.7-0+deb9u1
echo	vlc	3.0.7-1
ubuntu 18.04	vlc	3.0.7.1-0ubuntu18.04.1
ubuntu 18.04-ESM	vlc	3.0.7.1-0ubuntu18.04.1
ubuntu 19.04	vlc	3.0.7.1-0ubuntu19.04.1

References

All 10 references

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Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.