CVE-2026-29169

Apache HTTP Server: mod_dav_lock indirect lock crash

En bref

Sévérité: HIGH 7.5
EPSS: EPSS 0.59 % · centile 48 (2026-10-27)
État: PUBLISHED
Publiée: 2026-05-04
Mise à jour: 2026-05-05
Attribuée par: apache
Statut NVD: Modified

Description

A NULL pointer dereference in mod_dav_lock in Apache HTTP Server 2.4.66 and earlier may allow an attacker to crash the server with a malicious request.mod_dav_lock is not used internally by mod_dav or mod_dav_fs. The only known use-case for mod_dav_lock was mod_dav_svn from Apache Subversion earlier than version 1.2.0. Users are recommended to upgrade to version 2.4.66, which fixes this issue, or remove mod_dav_lock.

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CISA-ADP
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Faiblesses (CWE)

CWE-476

Références européennes

ENISA EUVD · EUVD-2026-26957
GCVE · GCVE-0-2026-29169

Avis du CERT-FR

CERTFR-2026-AVI-0608 — Multiples vulnérabilités dans Microsoft Azure Linux · cert.ssi.gouv.fr
CERTFR-2026-AVI-0530 — Multiples vulnérabilités dans Apache HTTP Server · cert.ssi.gouv.fr

Configurations affectées (CPE NVD)

cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* < 2.4.67

Produits affectés

Produit	Versions
Apache Software Foundation · Apache HTTP Server	affected 0 ≤ 2.4.66

Références

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD