Vulnerability Details CVE-2026-11787
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 13.0%
CVSS Severity
CVSS v3 Score 5.0
References
Products affected by CVE-2026-11787
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cpe:2.3:a:redhat:directory_server:11.0
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cpe:2.3:a:redhat:directory_server:12.0
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cpe:2.3:a:redhat:directory_server:13.0
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cpe:2.3:o:redhat:389_directory_server:-
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cpe:2.3:o:redhat:enterprise_linux:10.0
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cpe:2.3:o:redhat:enterprise_linux:7.0
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cpe:2.3:o:redhat:enterprise_linux:8.0
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cpe:2.3:o:redhat:enterprise_linux:9.0