An issue was discovered in zlibdecompressextra in modules/demux/mkv/util.cpp in VideoLAN VLC media player 3.x through 3.0.7.
CVE-2019-12874
An issue was discovered in zlibdecompressextra 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.
Assessment
- CVSS
- Not yet scored
- Severity
- Unscored
- EPSS
- 2.39% chance of exploitation in the next 30 days
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 18 June 2019
- Last updated
- 2 November 2026
- Assigner
- mitre
At the source
References
- http://git.videolan.org/?p=vlc.git%3Ba=commit%3Bh=81023659c7de5ac2637b4a879195efef50846102
- http://www.securityfocus.com/bid/108882
- https://usn.ubuntu.com/4074-1/
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00037.html
- https://security.gentoo.org/glsa/201908-23
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00081.html
Community proofs of concept
No community proof of concept yet. If you have one for a published vulnerability and the right to share it, add it below — it will appear here once reviewed.
Submit a proof of concept
Only for publicly disclosed vulnerabilities, and only material from testing you were authorised to perform. This platform does not buy, sell, or broker exploits — see earning from vulnerability research for legitimate bounty programs. Submissions are reviewed before they appear. Text only; do not include live credentials, personal data, or anything targeting systems you are not permitted to test.
Query this programmatically
Agents can read this through the MCP endpoint, or over HTTP:
curl https://cve.zerocrew.in/api/cve/CVE-2019-12874