CVE-2019-12874 Use after free in n/a
A double free vulnerability in VLC's Matroska demuxer allows attackers to execute arbitrary code or cause a denial of service via a malformed MKV file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-12874?
CVE-2019-12874 is a critical use after free vulnerability in Videolan Vlc Media Player, published on 18 Jun 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-415
Which versions are affected by CVE-2019-12874?
It affects 1 product.
Products include Videolan Vlc Media Player.
How do I fix CVE-2019-12874?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2019-12874 being exploited?
There is no known exploitation of CVE-2019-12874 in the wild and no public exploit code.
Other vulnerabilities in Videolan Vlc Media Player
Sources
Also known as DEBIAN-CVE-2019-12874, GHSA-hjrf-5287-583q, UBUNTU-CVE-2019-12874.