CVE-2026-56968 | GNU SASL before 2.2.4 lacks sanitization of a short challeng… | CVSS 3.7 LOW

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.

Metadata

CVE ID: CVE-2026-56968
State: PUBLISHED
Assigner: mitre
Reserved: 2026-06-23 16:18 UTC
Published: 2026-06-23 16:18 UTC
Last updated: 2026-06-23 17:31 UTC
Primary CWE: CWE-839
CWE-839 Numeric Range Comparison Without Minimum Check
Vendor / Product: GNU / GNU SASL
Sources: cve.org · NVD

Severity & Metrics

3.7 LOW CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
GNU	GNU SASL	—	0 < 2.2.4

Weakness (CWE)

CWE	Source	Description
CWE-839	cna	CWE-839 Numeric Range Comparison Without Minimum Check

CVSS scores (1)

Score	Severity	Version	Source	Vector
3.7	LOW	3.1	cna	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

References (4)