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CVE-2026-11788

7.5 high SSVC exploitation: none Modified
NVD · CVE.org

A flaw was found in 389 Directory Server. The dereference control plugin does not check for allocation failure before using a BER structure, allowing an unauthenticated remote attacker to crash the LDAP server when the system is under memory pressure.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.5 · redhatNVD modified 2026-10-08 15:17

Affected (CPE criteria) 8

  • 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:-:*:*:*:*:*:*:*
  • 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:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*

References 18