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CVE-2026-18453

389-ds-base: 389-ds-base: pre-authentication null pointer dereference via paged results and use_one_backend control in op_shared_search

HIGH 7.5

En bref

Source
NVD
EPSS
EPSS 0.85 % · centile 58 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
redhat
Statut NVD
Awaiting Analysis

Description

A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_shared_search allows an unauthenticated remote attacker to crash the LDAP server by sending a crafted sequence of search requests using the USE_ONE_BACKEND control, resulting in denial of service.

Faiblesses (CWE)

  • CWE-476 — Déréférencement de pointeur nul

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hredhat
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD · secalert@redhat.com (Secondary)

Références européennes

Produits affectés

ProduitVersions
Red Hat · Red Hat Directory Server 11.5 E4S for RHEL 8unaffected 8060020260908152739.0ca98e7e < *
Red Hat · Red Hat Directory Server 11.7 E4S for RHEL 8unaffected 8080020260903102346.f969626e < *
Red Hat · Red Hat Directory Server 11.9 for RHEL 8unaffected 8100020260904171440.37ed7c03 < *
Red Hat · Red Hat Directory Server 12.2 E4S for RHEL 9unaffected 9020020260903155914.1674d574 < *
Red Hat · Red Hat Directory Server 12.4 E4S for RHEL 9unaffected 9040020260903102623.1674d574 < *
Red Hat · Red Hat Enterprise Linux 10unaffected 0:3.2.0-10.el10_2 < *
Red Hat · Red Hat Enterprise Linux 10.0 Extended Update Supportunaffected 0:3.0.6-21.el10_0 < *
Red Hat · Red Hat Enterprise Linux 7 Extended Lifecycle Supportunaffected 0:1.3.11.1-15.el7_9 < *
Red Hat · Red Hat Enterprise Linux 8unaffected 8100020260904155442.25e700aa < *
Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportunaffected 8040020260901171549.96015a92 < *
Red Hat · Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-Onunaffected 8040020260901171549.96015a92 < *
Red Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Supportunaffected 8060020260901145727.824efc52 < *
Red Hat · Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-Onunaffected 8060020260901145727.824efc52 < *
Red Hat · Red Hat Enterprise Linux 8.8 Telecommunications Update Serviceunaffected 8080020260831180218.6dbb3803 < *
Red Hat · Red Hat Enterprise Linux 8.8 Update Services for SAP Solutionsunaffected 8080020260831180218.6dbb3803 < *
Red Hat · Red Hat Enterprise Linux 9unaffected 0:2.8.0-10.el9_8 < *
Red Hat · Red Hat Enterprise Linux 9.2 Update Services for SAP Solutionsunaffected 0:2.2.4-22.el9_2 < *
Red Hat · Red Hat Enterprise Linux 9.4 Update Services for SAP Solutionsunaffected 0:2.4.5-29.el9_4 < *
Red Hat · Red Hat Enterprise Linux 9.6 Extended Update Supportunaffected 0:2.6.1-24.el9_6 < *
Red Hat · Red Hat Directory Server 13.2unaffected 1788851765 < *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD