CVE-2019-12874: Videolan Vlc Media Player

Critical severity, CVSS 9.8. EPSS: 2.4% chance of exploitation in the next 30 days.

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 products

• Videolan Vlc Media Player: from 3.0.0, up to and including 3.0.7

Published 2019-06-18. Last modified 2026-06-17.