#VU50810 Memory corruption in xterm - CVE-2021-27135
Published: February 18, 2021
Vulnerability identifier: #VU50810
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-27135
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
xterm
xterm
Software vendor:
invisible-island.net
invisible-island.net
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when processing UTF-8 character sequences. A remote attacker can pass specially crafted data to the application, trigger memory corruption and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.