CVE-2021-27135

Description

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.

References

https://www.openwall.com/lists/oss-security/2021/02/09/9

https://www.openwall.com/lists/oss-security/2021/02/09/7

https://security.gentoo.org/glsa/202208-22

https://news.ycombinator.com/item?id=26524650

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/35LK2ZXEIJUOGOA7FV2TJL3L6LFJ4X5S/

https://lists.debian.org/debian-lts-announce/2021/02/msg00019.html

https://invisible-island.net/xterm/xterm.log.html

https://github.com/ThomasDickey/xterm-snapshots/commit/82ba55b8f994ab30ff561a347b82ea340ba7075c

https://bugzilla.suse.com/show_bug.cgi?id=1182091

https://bugzilla.redhat.com/show_bug.cgi?id=1927559

https://access.redhat.com/security/cve/CVE-2021-27135

http://www.openwall.com/lists/oss-security/2021/02/10/7

http://seclists.org/fulldisclosure/2021/May/52

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3