VulnerabilityModified
CVE-2026-56968
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.
MEDIUM 5.3EPSS 0.29%
Does this matter?
Lower severity and a low EPSS score (0.29%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 0.29% probability · 21th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-839, CWE-908
- Affected
- gnu/sasl · debian/debian linux
- Source
- cve@mitre.org
References
- https://ftp.gnu.org/gnu/gsasl/Product
- https://lists.debian.org/debian-security-announce/2026/msg00259.htmlMailing List
- https://lists.gnu.org/archive/html/help-gsasl/2026-06/msg00000.htmlExploit, Mailing List, Vendor Advisory
- https://www.gnu.org/software/gsasl/Product
- https://lists.debian.org/debian-lts-announce/2026/07/msg00049.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.