CVE-2019-12874: An issue was discovered in zlib_decompress_extra in modules/demux/mkv/ ...

Severity: Critical

CVSS Score: 9.8

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.