CVE-2026-73637

Apache HTTP Server: mod_auth_digest DoS attack

En bref

Sévérité: HIGH 7.3
EPSS: EPSS 0.47 % · centile 40 (2026-10-27)
État: PUBLISHED
Publiée: 2026-10-01
Mise à jour: 2026-10-01
Attribuée par: apache
Statut NVD: Analyzed

Description

Use after free in mod_auth_digest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an unauthenticated remote client to cause authentication state corruption via concurrent Digest authentication requests when AuthDigestNcCheck is enabled or AuthDigestNonceLifetime is set to 0. Users are recommended to upgrade to version 2.4.69, which fixes this issue.

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	HIGH 7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	CISA-ADP
CVSS 3.1	HIGH 7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Faiblesses (CWE)

CWE-416

Références européennes

ENISA EUVD · EUVD-2026-90908
GCVE · GCVE-0-2026-73637

Avis du CERT-FR

CERTFR-2026-AVI-1376 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
CERTFR-2026-AVI-1248 — Multiples vulnérabilités dans Apache HTTP Server · cert.ssi.gouv.fr

Configurations affectées (CPE NVD)

cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* ≥ 2.4.0 < 2.4.69

Produits affectés

Produit	Versions
Apache Software Foundation · Apache HTTP Server	affected 2.4.0 ≤ 2.4.68

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