| Name | CVE-2026-56968 |
| Description | GNU SASL before 2.2.4 lacks sanitization of a short challenge in _gsasl_ntlm_client_step in the NTLM client, which could result in memory disclosure via a crafted server. |
| 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 | DLA-4707-1, DSA-6348-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| gsasl (PTS) | bullseye | 1.10.0-4+deb11u1 | vulnerable |
| bullseye (security) | 1.10.0-4+deb11u3 | fixed | |
| bookworm | 2.2.0-1+deb12u1 | vulnerable | |
| bookworm (security) | 2.2.0-1+deb12u2 | fixed | |
| trixie (security), trixie | 2.2.2-1.1+deb13u2 | fixed | |
| forky, sid | 2.2.4-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| gsasl | source | bullseye | 1.10.0-4+deb11u3 | DLA-4707-1 | ||
| gsasl | source | bookworm | 2.2.0-1+deb12u2 | DLA-4707-1 | ||
| gsasl | source | trixie | 2.2.2-1.1+deb13u2 | DSA-6348-1 | ||
| gsasl | source | (unstable) | 2.2.4-1 |
https://lists.gnu.org/archive/html/help-gsasl/2026-06/msg00000.html