CVE-2026-11787

MEDIUM EPSS 11.1%
Published Jun 9, 20262w ago · Modified Jun 17, 20261w ago
6.3 CVSS 3.1
Medium
Find Similar
Published Jun 9, 2026 2w ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
6.3
Exploitability
2.8
Impact
3.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Low
Availability Low

Threat Intelligence

EPSS Exploit Probability
11.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-126

Affected Products 8

VendorProductVersionRange
redhatdirectory_server11.0any
redhatdirectory_server12.0any
redhatdirectory_server13.0any
redhat389_directory_server*any
redhatenterprise_linux7.0any
redhatenterprise_linux8.0any
redhatenterprise_linux9.0any
redhatenterprise_linux10.0any

References 3

  • access.redhat.com https://access.redhat.com/security/cve/CVE-2026-11787
    Vendor Advisory
  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2485425
    Issue TrackingVendor Advisory
  • redhat.atlassian.net https://redhat.atlassian.net/browse/PSIRTSUPT-7600
    Permissions Required

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.