CVE-2019-12874 Information

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.

CVSS Vector

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

Reference

http://git.videolan.org/?p=vlc.git;a=commit;h=81023659c7de5ac2637b4a879195efef50846102 http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00037.html http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00040.html http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00081.html http://www.securityfocus.com/bid/108882 https://security.gentoo.org/glsa/201908-23 https://usn.ubuntu.com/4074-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8