VDB

CVE-2026-11787

CVE-2026-11787 PUBLISHED CVSS 5 MEDIUM

Reported by redhat · Published June 9, 2026

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.

Risk Scores

CVSS 3.1
5
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected Products

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

Timeline

  • Jun 9, 2026 CVE Published
  • Jun 10, 2026 Coalition ESS Score
  • Jun 11, 2026 Security Advisory
  • Jul 23, 2026 CVE Updated
  • Aug 7, 2026 EPSS Score
  • Aug 24, 2026 EPSS Score
  • Sep 9, 2026 EPSS Score
  • Sep 16, 2026 EPSS Score
  • Sep 24, 2026 EPSS Score
  • Sep 26, 2026 EPSS Score
  • Oct 7, 2026 EPSS Score

References

Open in Interactive Console →
$ Console Community · 100/wk Open console ›