CVE-2021-27135
Published: 10 February 2021
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
xterm Launchpad, Ubuntu, Debian |
bionic |
Released
(330-1ubuntu2.2)
|
| focal |
Released
(353-1ubuntu1.20.04.2)
|
|
| groovy |
Released
(353-1ubuntu1.20.10.2)
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(322-1ubuntu1.2)
|
|
|
Patches: upstream: https://github.com/ThomasDickey/xterm-snapshots/commit/82ba55b8f994ab30ff561a347b82ea340ba7075c upstream: https://github.com/ThomasDickey/xterm-snapshots/commit/f80e543c6dee5ecfe54c58d351fe418ce5f1959b |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |