CVE-2026-33523

Apache HTTP Server: multiple modules: HTTP response splitting forwarding malicious status line

En bref

Sévérité
MEDIUM 6.5
EPSS
EPSS 0.44 % · centile 38 (2026-10-27)
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
apache
Statut NVD
Analyzed

Description

HTTP response splitting vulnerability in multiple Apache HTTP Server modules with untrusted or compromised backend servers. This issue affects Apache HTTP Server: from through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NCISA-ADP
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Faiblesses (CWE)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Apache Software Foundation · Apache HTTP Serveraffected 2.4.0 ≤ 2.4.66

Références

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
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