| Name | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-2558-1, ELA-363-1 |
| Debian Bugs | 982439 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| xterm (PTS) | jessie, jessie (lts) | 312-2+deb8u4 | fixed |
| stretch (security), stretch (lts), stretch | 327-2+deb9u3 | fixed | |
| buster | 344-1+deb10u2 | fixed | |
| bullseye | 366-1+deb11u1 | fixed | |
| sid, bookworm | 378-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| xterm | source | jessie | 312-2+deb8u1 | ELA-363-1 | ||
| xterm | source | stretch | 327-2+deb9u1 | DLA-2558-1 | ||
| xterm | source | buster | 344-1+deb10u1 | |||
| xterm | source | (unstable) | 366-1 | 982439 |
https://www.openwall.com/lists/oss-security/2021/02/09/7
https://invisible-island.net/xterm/xterm.log.html#xterm_366
https://github.com/ThomasDickey/xterm-snapshots/commit/82ba55b8f994ab30ff561a347b82ea340ba7075c