CVE-2019-12874
criticalAn issue was discovered in zlib_decompress_extra in modules/demux/mkv/util.cpp in VideoLAN VLC media player 3.x through 3.0.7.
Vendor / product: Videolan — vlc media player
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
9.8
9.8 (CVSS v3.0)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.0 (nvd@nist.gov)
Timeline (UTC)
Published: 2019-06-18 18:15
Modified: 2026-11-02 18:18
NVD status: Modified
Last synced 1 day ago
Verified against the source API 2026-11-03 07:33 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
videolan / vlc_media_player ≥3.0.0 ≤3.0.7
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- http://git.videolan.org/?p=vlc.git%3Ba=commit%3Bh=81023659c7de5ac2637b4a879195efef50846102 cve@mitre.org
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00005.html cve@mitre.org
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00037.html cve@mitre.org
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00040.html cve@mitre.org
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00081.html cve@mitre.org
- http://www.securityfocus.com/bid/108882 cve@mitre.org
- https://security.gentoo.org/glsa/201908-23 cve@mitre.org
- https://usn.ubuntu.com/4074-1/ cve@mitre.org
- http://git.videolan.org/?p=vlc.git%3Ba=commit%3Bh=81023659c7de5ac2637b4a879195efef50846102 af854a3a-2127-422b-91ae-364da2661108
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00005.html af854a3a-2127-422b-91ae-364da2661108
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00037.html af854a3a-2127-422b-91ae-364da2661108
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00040.html af854a3a-2127-422b-91ae-364da2661108
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00081.html af854a3a-2127-422b-91ae-364da2661108
- http://www.securityfocus.com/bid/108882 af854a3a-2127-422b-91ae-364da2661108
- https://security.gentoo.org/glsa/201908-23 af854a3a-2127-422b-91ae-364da2661108
- https://usn.ubuntu.com/4074-1/ af854a3a-2127-422b-91ae-364da2661108
Data sources
NVD CVE API 2.0 — fetched 2026-11-03 07:33 UTC · record ↗