CVE-2026-56968

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Summary

CVECVE-2026-56968
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-23 17:17:09 UTC
Updated2026-06-23 18:18:10 UTC
DescriptionGNU 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.

Risk And Classification

Primary CVSS: v3.1 3.7 LOW from [email protected]

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

Problem Types: CWE-839 | CWE-839 CWE-839 Numeric Range Comparison Without Minimum Check

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary3.7LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
3.1CNACVSS3.7LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA GNU GNU SASL affected 2.2.4 semver Not specified

References

ReferenceSourceLinkTags
ftp.gnu.org/gnu/gsasl [email protected] ftp.gnu.org
www.gnu.org/software/gsasl [email protected] www.gnu.org
lists.gnu.org/archive/html/help-gsasl/2026-06/msg00000.html [email protected] lists.gnu.org
lists.debian.org/debian-security-announce/2026/msg00259.html [email protected] lists.debian.org
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