CVE-2019-12874
CVE-2019-12874 is a critical-severity vulnerability in Videolan Vlc Media Player with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-415.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (82nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-415
- Affected product: Videolan Vlc Media Player
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2019-12874?
- CVE-2019-12874 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-12874 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-12874?
- CVE-2019-12874 affects Videolan Vlc Media Player. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-12874?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2019-12874 published?
- CVE-2019-12874 was published on 2019-06-18 and last updated on 2026-06-17.
References
- http://git.videolan.org/?p=vlc.git%3Ba=commit%3Bh=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/
Affected products (1)
- cpe:2.3:a:videolan:vlc_media_player:*:*:*:*:*:*:*:*
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