Medium severity5.0NVD Advisory· Published Jun 9, 2026· Updated Jun 12, 2026
CVE-2026-11787
CVE-2026-11787
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
11cpe:2.3:a:redhat:directory_server:11.0:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:redhat:directory_server:11.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:directory_server:12.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:directory_server:13.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:389_directory_server:-:*:*:*:*:*:*:*
- (no CPE)
cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
- osv-coords2 versionspkg:rpm/opensuse/389-ds&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/389-ds&distro=openSUSE%20Tumbleweed
< 3.0.6~git382.7a51ea5f5-160000.1.1+ 1 more
- (no CPE)range: < 3.0.6~git382.7a51ea5f5-160000.1.1
- (no CPE)range: < 3.2.2+4b41542b2-1.1
Patches
Vulnerability mechanics
References
3- access.redhat.com/security/cve/CVE-2026-11787nvdVendor Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingVendor Advisory
- redhat.atlassian.net/browse/PSIRTSUPT-7600nvdPermissions Required
News mentions
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