#VU49889 Out-of-bounds read in VLC Media Player - CVE-2021-25803
Published: January 21, 2021 / Updated: June 20, 2022
Vulnerability identifier: #VU49889
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-25803
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
VLC Media Player
VLC Media Player
Software vendor:
VideoLAN
VideoLAN
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the vlc_input_attachment_New component. A remote authenticated attacker can create a specially crafted .avi file, trick the victim into opening it, trigger out-of-bounds read error and cause a denial of service condition on the system.
Remediation
Install updates from vendor's website.