CVE-2026-11787
Last modified
CVE-2026-11787 is a medium-severity vulnerability rated 6.3/10 on the CVSS scale. 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.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Directory Server | 11.0 |
| Redhat | Directory Server | 12.0 |
| Redhat | Directory Server | 13.0 |
| Redhat | 389 Directory Server | All versions |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux | 9.0 |
| Redhat | Enterprise Linux | 10.0 |
References
- https://access.redhat.com/security/cve/CVE-2026-11787Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2485425Issue Tracking, Vendor Advisory
- https://redhat.atlassian.net/browse/PSIRTSUPT-7600Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
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