CVE-2026-11787: Buffer Over-read in Red Hat Red Hat Directory Server 11
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.
CVE-2026-11787: Buffer Over-read in Red Hat Red Hat Directory Server 11
Description
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.
CVSS v3.1
Score 5.0medium
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- redhat
- Date Reserved
- 2026-06-09T12:55:55.703Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/security/cve/CVE-2026-11787","vendor":"Red Hat"}]
Threat ID: 6a28145b8dd33fbd85364a20
Added to database: 6/9/2026, 1:25:47 PM
Last updated: 6/9/2026, 1:26:07 PM
Views: 1
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