CVE-2026-11789

CVE-2026-11789

A flaw was found in 389 Directory Server. The SMD5 password storage plugin performs unsigned integer underflow when computing salt length from a crafted password hash shorter than 16 bytes, causing a buffer over-read that crashes the LDAP…

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-11789?
CVE-2026-11789 is a medium-severity vulnerability, classified under Integer Underflow. CVSS score: 4.9/10. Published 2026-06-09.
How severe is CVE-2026-11789?
Medium severity. CVSS v3 base score is 4.9 out of 10.