CVE-2026-11789

6.5 mediumEPSS 0.3%

Medium (6.5) in redhat. EPSS 0.3% chance of exploitation in the next 30 days.

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 server during authentication.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-31)
CWE: CWE-191
Published: 2026-06-09
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

Affected

redhat:389_directory_server
redhat:directory_server
redhat:enterprise_linux

References

https://access.redhat.com/security/cve/CVE-2026-11789
https://bugzilla.redhat.com/show_bug.cgi?id=2485422

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