TI-2026-41025 Aliases CVE-2026-56968 GHSA-2qgp-6c6g-cmwv

Use of uninitialized resource in GNU SASL

LOW 24CWE-839Published 2026-06-23 · Updated 2026-07-31

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: Low · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-908 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00413 35th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed GNU SASL (GNU): 2.2.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
GNU	GNU SASL	before 2.2.4	2.2.4	Patch available	CNA

GNU SASL VendorGNU Affected before 2.2.4 Fixed in 2.2.4 Patch available CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:gnu:sasl::::::::	before 2.2.4	Vulnerable	GNU
cpe:2.3:o:debian:debian_linux:13.0:::::::*	13.0	Vulnerable	Debian

cpe:2.3:a:gnu:sasl:*:*:*:*:*:*:*:* Versions before 2.2.4 Vulnerable ·GNU
cpe:2.3:o:debian:debian_linux:13.0:*:*:*:*:*:*:* Versions 13.0 Vulnerable ·Debian

Remediation

Fix · CNA GNU SASL (GNU) Fixed in 2.2.4

Timeline

2026-10-02 Threatist record created from CVE-2026-56968
2026-10-03 Alias added: GHSA-2qgp-6c6g-cmwv

References

Exploit 1

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

Other 3

Sources

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