Double Free in Videolan Vlc_media_player

CVE-2019-12874

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.

Vulnerability class: Double Free

EPSS: 0.024 (82.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-12874?
CVE-2019-12874 is a critical-severity vulnerability in Videolan Vlc_media_player, classified under Double Free. CVSS score: 9.8/10. Published 2019-06-18.
How severe is CVE-2019-12874?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-12874 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.