CVE-2026-56968

PoC —

CVSS 3.1

5.3 medium

EPSS

<1%p21

Published

Jun 23, 2026 (Jun 23, 2026)

Modified

Jul 31, 2026

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.

Vendors: gnu debian
Products: sasl, debian linux
Weakness: CWE-839, CWE-908
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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