| Name | CVE-2026-104030 |
| Description | A flaw was found in sssd. This vulnerability allows a local user to cause a Denial of Service (DoS) by submitting a specially crafted passkey authentication token that lacks null terminators. The authentication service reads past the end of the provided memory buffer, causing the process to crash and disrupting authentication services. |
| 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) |
| Debian Bugs | 1150238 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| sssd (PTS) | bookworm | 2.8.2-4+deb12u1 | vulnerable |
| trixie | 2.10.1-2 | vulnerable |
| sid | 2.13.1-3 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| sssd | source | (unstable) | (unfixed) | unimportant | | 1150238 |
Notes
https://bugzilla.redhat.com/show_bug.cgi?id=2479429
Negligible security impact, SSSD on Debian is socket-activated and would just restart