CVE-2026-11787

MediumCVSS 6.3/10Last modified Nov 5, 2026

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 6.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness enumeration

Affected software

VendorProductVersions
Red HatRed Hat Directory Server 11—
Red HatRed Hat Directory Server 12—
Red HatRed Hat Directory Server 13—
Red HatRed Hat Enterprise Linux 10—
Red HatRed Hat Enterprise Linux 6—
Red HatRed Hat Enterprise Linux 7—
Red HatRed Hat Enterprise Linux 8—
Red HatRed Hat Enterprise Linux 9—

References

Timeline

Published
Jun 9, 2026
Last modified
Nov 5, 2026
NVD status
Modified

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CVE-2026-11787: Medium severity, CVSS 6.3 | Vulnix