CVE-2019-12874

critical
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
9.5

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2019-12874

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201906-22

OS impact

OSVersionStatusFixed in
arch archfixed3.0.7.1-1
debian debianbookwormfixed3.0.7-1
debian debianbullseyefixed3.0.7-1
debian debianforkyfixed3.0.7-1
debian debiansidfixed3.0.7-1
debian debiantrixiefixed3.0.7-1

References

Verify integrity in audit chain (admin only). AS-IS.