CVE-2026-56968

EUVD-2026-38512
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
3.7 LOW
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Debian logo
Debian Releases
Debian Product
Codename
gsasl
bookworm
vulnerable
bookworm (security)
vulnerable
bullseye
vulnerable
bullseye (security)
vulnerable
forky
2.2.4-1
fixed
sid
2.2.4-1
fixed
trixie
vulnerable
trixie (security)
2.2.2-1.1+deb13u2
fixed
Common Weakness Enumeration
References
https://ftp.gnu.org/gnu/gsasl/
https://lists.debian.org/debian-security-announce/2026/msg00259.html
https://lists.gnu.org/archive/html/help-gsasl/2026-06/msg00000.html
https://www.gnu.org/software/gsasl/