#VU53336 Input validation error in libx11 - CVE-2021-31535
Published: May 19, 2021 / Updated: May 19, 2021
Vulnerability identifier: #VU53336
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2021-31535
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
libx11
libx11
Software vendor:
xorg.freedesktop.org
xorg.freedesktop.org
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of color names within the XLookupColor() function. A local user can run a specially crafted application on the system and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.