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.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://lists.gnu.org/archive/html/help-gsasl/2026-06/msg00000.html Exploit, Mailing List, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.3 · gnu, debianNVD modified 2026-10-25 23:10
Affected (CPE criteria) 2
cpe:2.3:a:gnu:sasl:*:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:13.0:*:*:*:*:*:*:*
References 5
- https://ftp.gnu.org/gnu/gsasl/ Product
- https://lists.debian.org/debian-security-announce/2026/msg00259.html Mailing List
- https://lists.gnu.org/archive/html/help-gsasl/2026-06/msg00000.html Exploit, Mailing List, Vendor Advisory
- https://www.gnu.org/software/gsasl/ Product
- https://lists.debian.org/debian-lts-announce/2026/07/msg00049.html