Vulnerability 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 Score
3.7
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Sasl | < 2.2.4 |
| Debian | Debian Linux | 13.0 |
Related Weaknesses (CWE)
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.htmlExploitMailing ListVendor Advisory
- https://www.gnu.org/software/gsasl/Product
- https://lists.debian.org/debian-lts-announce/2026/07/msg00049.html
FAQ
What is CVE-2026-56968?
CVE-2026-56968 is a vulnerability with a CVSS score of 3.7 (LOW). 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.
How severe is CVE-2026-56968?
CVE-2026-56968 has been rated LOW with a CVSS base score of 3.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-56968?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Sasl, Debian Debian Linux.