CVE-2026-56968

LOW

Gnu Sasl < 2.2.4 - Numeric Range Comparison Without Minimum Check

Title source: rule

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.

References (4)

Core 4

Core References

https://lists.gnu.org/archive/html/help-gsasl/2026-06/msg00000.html

https://ftp.gnu.org/gnu/gsasl/

https://lists.debian.org/debian-security-announce/2026/msg00259.html

https://www.gnu.org/software/gsasl/

Scores

CVSS v3 3.7

EPSS 0.0024

EPSS Percentile 15.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-839 CWE-908

Status published

Products (3)

debian/debian_linux 13.0

GNU/GNU SASL < 2.2.4

gnu/sasl < 2.2.4

Published Jun 23, 2026

Tracked Since Jun 23, 2026