Out-of-bounds read in VLC Media Player - CVE-2019-19721

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Main Vulnerability Database Vulnerabilities #VU27925

Out-of-bounds read in VLC Media Player - CVE-2019-19721

Published: May 15, 2020


Vulnerability identifier: #VU27925
CSH Severity: Low
CVSS v4: 1.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-19721
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within DecodeBlock in sdl_image.c. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger a one byte out-of-bounds read error and read contents of memory on the system.


Affected software

VLC Media Player
Gentoo Linux
Ubuntu
vlc (Alpine package)
vlc (Ubuntu package)
vlc-plugin-access-extra (Ubuntu package)

How to mitigate CVE-2019-19721

Install updates from vendor's website.

VLC Media Player - update to 3.0.9.2
vlc (Alpine package) - update to 3.0.10-r0
vlc (Ubuntu package) - addressed in versions Ubuntu Pro, 3.0.17.4-5ubuntu0.1
vlc-plugin-access-extra (Ubuntu package) - addressed in versions Ubuntu Pro, 3.0.17.4-5ubuntu0.1

External References

Related Security Bulletins