CVE-2026-56968
MEDIUM
5.3
CVSS Score
Published: June 23, 2026 at 04:18 PM UTC
Updated: October 25, 2026 at 11:10 PM UTC
3 products affected across 2 vendorsDebian LinuxSaslGNU SASL
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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (5)
ExploitMailing ListVendor Advisory
Source: cverecord
https://lists.gnu.org/archive/html/help-gsasl/2026-06/msg00000.htmlSource: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2026/07/msg00049.htmlSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-839CWE-908
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