| Name | CVE-2026-58218 |
| Description | DNS signing DoS via TKEY name cache exhaustion |
| 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) |
| References | DSA-6401-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| samba (PTS) | bullseye | 2:4.13.13+dfsg-1~deb11u6 | vulnerable |
| bullseye (security) | 2:4.13.13+dfsg-1~deb11u8 | vulnerable |
| bookworm, bookworm (security) | 2:4.17.12+dfsg-0+deb12u4 | vulnerable |
| trixie | 2:4.22.10+dfsg-0+deb13u1 | vulnerable |
| trixie (security) | 2:4.22.10+dfsg-0+deb13u2 | fixed |
| forky | 2:4.24.4+dfsg-1 | vulnerable |
| sid | 2:4.24.5+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| samba | source | trixie | 2:4.22.10+dfsg-0+deb13u2 | | DSA-6401-1 | |
| samba | source | (unstable) | 2:4.24.5+dfsg-1 | | | |
Notes
https://www.samba.org/samba/security/CVE-2026-58218-advisory.html