Description
xterm before 380 supports ReGIS reporting for character-set names even if they have unexpected characters (i.e., neither alphanumeric nor underscore), aka a pointer/overflow issue. This can only occur for xterm installations that are configured at compile time to use a certain experimental feature.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | xterm | 382-2 | — |
| Debian 13 | xterm | 382-2 | — |
| Debian 12 | xterm | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | xterm | No fix yet | — |
| Ubuntu 20.04 LTS | xterm | No fix yet | — |
| Ubuntu 18.04 LTS | xterm | No fix yet | — |
| Ubuntu 16.04 LTS | xterm | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | xterm | 330-150200.11.12.1 | SUSE-SU-2023:4438-1 |
| SLES 15 SP4 | xterm | 330-150200.11.12.1 | SUSE-SU-2023:4438-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Manager Server 4.2 | xterm | 330-150200.11.12.1 | SUSE-SU-2023:4438-1 |
| SUSE Manager Proxy 4.2 | xterm | 330-150200.11.12.1 | SUSE-SU-2023:4438-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | xterm | 384-2.1 | openSUSE-SU-2024:13240-1 |
| openSUSE Leap 15.5 | xterm | 330-150200.11.12.1 | SUSE-SU-2023:4438-1 |
| openSUSE Leap 15.4 | xterm | 330-150200.11.12.1 | SUSE-SU-2023:4438-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | xterm | 380-1 | — |
Advisories 3
- SUSE-SU-2023:4438-1 Security update for xterm SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13240-1 xterm-384-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-2063 xterm: Schwachstelle ermöglicht nicht spezifizierten Angriff BSI CERT-Bund (WID) · Mar 3, 2024