CVE-2018-19857
vlc - security update
9.1
CRITICAL
CVSS 3.1
EPSS 1.5%
Description
The CAF demuxer in modules/demux/caf.c in VideoLAN VLC media player 3.0.4 may read memory from an uninitialized pointer when processing magic cookies in CAF files, because a ReadKukiChunk() cast converts a return value to an unsigned int even if that value is negative. This could result in a denial of service and/or a potential infoleak.
How to fix CVE-2018-19857
To remediate CVE-2018-19857, upgrade the affected package to a fixed version below.
- —upgrade to 3.0.4-4 or later
- —upgrade to 3.0.6-0+deb9u1 or later
Is CVE-2018-19857 being exploited?
Low — EPSS is 1.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.0.4-4
- from 0, < 3.0.6-0+deb9u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |