CVE Vulnerabilities

CVE-2021-27135

Published: Feb 10, 2021 | Modified: Nov 21, 2024
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
9.6 IMPORTANT
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Ubuntu
MEDIUM
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xterm before Patch #366 allows remote attackers to execute arbitrary code or cause a denial of service (segmentation fault) via a crafted UTF-8 combining character sequence.

Affected Software

NameVendorStart VersionEnd Version
XtermInvisible-island*366 (excluding)
Red Hat Enterprise Linux 7RedHatxterm-0:295-3.el7_9.1*
Red Hat Enterprise Linux 8RedHatxterm-0:331-1.el8_3.2*
Red Hat Enterprise Linux 8.1 Extended Update SupportRedHatxterm-0:331-1.el8_1.1*
Red Hat Enterprise Linux 8.2 Extended Update SupportRedHatxterm-0:331-1.el8_2.1*
XtermUbuntubionic*
XtermUbuntudevel*
XtermUbuntuesm-apps/bionic*
XtermUbuntuesm-apps/focal*
XtermUbuntuesm-infra/xenial*
XtermUbuntufocal*
XtermUbuntugroovy*
XtermUbuntutrusty*
XtermUbuntuxenial*

References