389-ds-base: 389-ds-base: null pointer dereference via modifydn using an attribute's schema alias name causes denial of service (Red Hat Red Hat Directory Server 11)

CVE-2026-117548
MEDIUM 6.5

At a glance

Source
CVE.org
EPSS
EPSS 0.33 % · percentile 27 ()
State
PUBLISHED
Published
Updated
Assigner
redhat

Description

A NULL pointer dereference flaw was found in 389-ds-base. This flaw occurs when a ModifyDN (rename) operation uses an attribute's schema alias name (such as "commonName") instead of its canonical name (such as "cn") as the new relative distinguished name. An authenticated attacker with the ModifyDN (rename) permission on the affected entry can use this flaw to crash the directory server, causing a denial of service.

Weaknesses (CWE)

  • CWE-476 — NULL Pointer Dereference

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hredhat

European references

Affected products

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

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged