CVE-2026-11787

June 9, 2026, 2:42 p.m.

5.0
Medium

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.

Product(s) Impacted

Vendor Product Versions
Redhat
  • 389 Directory Server
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-126
Buffer Over-read
The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a redhat 389_directory_server / / / / / / / /

References

https://access.redhat.com/security/cve/CVE-2026-11787
https://bugzilla.redhat.com/show_bug.cgi?id=2485425
https://redhat.atlassian.net/browse/PSIRTSUPT-7600

Tags

[email protected]
CWE-126
2026-06-09
CVE-2026-11787

CVSS Score

5.0 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: HIGH
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: LOW
  • Integrity Impact: LOW
  • Availability Impact: LOW

    • CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

    View Vector String

Timeline

Published: June 9, 2026, 2:16 p.m.
Last Modified: June 9, 2026, 2:42 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.