CVE-2026-11787

6.3 mediumEPSS 0.2%

Medium (6.3) in redhat. EPSS 0.2% chance of exploitation in the next 30 days.

A flaw was found in 389 Directory Server. The ldap_utf8prev() function reads bytes before the start of a buffer without bounds checking, causing a heap buffer over-read in string filter parsing that may influence internal filter processing behavior.

Severity

CVSS 3.1

6.3 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 7% of CVEs (scores of 2026-10-31)
CWE: CWE-126
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-2026-11787
https://bugzilla.redhat.com/show_bug.cgi?id=2485425

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