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.
Published: 2026-06-23
Score: 3.7 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Wed, 24 Jun 2026 11:30:00 +0000

Type Values Removed Values Added
Title Memory Disclosure via Unvalidated NTLM Challenge in GNU SASL

Wed, 24 Jun 2026 06:30:00 +0000

Type Values Removed Values Added
Title GNU SASL NTLM Short Challenge Memory Disclosure Vulnerability

Wed, 24 Jun 2026 01:30:00 +0000

Type Values Removed Values Added
Title GNU SASL NTLM Short Challenge Memory Disclosure Vulnerability

Tue, 23 Jun 2026 22:45:00 +0000

Type Values Removed Values Added
Title NTLM Client Short Challenge Improper Sanitization Leads to Memory Disclosure

Tue, 23 Jun 2026 20:15:00 +0000

Type Values Removed Values Added
Title NTLM Client Short Challenge Improper Sanitization Leads to Memory Disclosure

Tue, 23 Jun 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 23 Jun 2026 16:45:00 +0000

Type Values Removed Values Added
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.
First Time appeared Gnu
Gnu gnu Sasl
Weaknesses CWE-839
CPEs cpe:2.3:a:gnu:gnu_sasl:*:*:*:*:*:*:*:*
Vendors & Products Gnu
Gnu gnu Sasl
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-06-23T17:31:49.772Z

Reserved: 2026-06-23T16:18:28.745Z

Link: CVE-2026-56968

cve-icon Vulnrichment

Updated: 2026-06-23T17:31:46.629Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-24T16:00:06Z

Weaknesses