| Name | CVE-2026-23901 |
| Description | shiro: Brute force attack possible to determine valid user names |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| shiro (PTS) | bullseye | 1.3.2-4+deb11u1 | vulnerable |
| bookworm | 1.3.2-5 | vulnerable |
| sid, trixie | 1.3.2-6 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| shiro | source | (unstable) | (unfixed) | | | |
Notes
[trixie] - shiro <no-dsa> (Minor issue)
[bookworm] - shiro <no-dsa> (Minor issue)
https://www.openwall.com/lists/oss-security/2026/02/08/2