> CVE-2026-33523

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PUBLISHED
2026-05-04 15:16
MODIFIED
2026-05-04 15:21
EPSS (Prob. Exploit)
0.44%
Top 61.9%
DATA SOURCES:
NVD 🔗 2026-05-04 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-11-08 OSV 🔗 2026-11-02 MSRC 🔗 2026-11-02

> 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.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> WEAKNESSES

CWE-443

> CWE DETAILED DESCRIPTIONS

CWE-443: DEPRECATED: HTTP response splitting - This weakness can be found at CWE-113.

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
An update for Red Hat Hardened Images RPMs is now available.
Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.62 SP6 security update
Red Hat JBoss Core Services Apache HTTP Server 2.4.62 Service Pack 6 is now available. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability S...
Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.62 SP6 security update
Red Hat JBoss Core Services Apache HTTP Server 2.4.62 Service Pack 6 is now available. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability S...

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

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

AFFECTED PACKAGES:
Unknown / Unknown
2 versions affected
ALIASES:
BIT-apache-2026-33523

> HISTORIQUE DES MODIFICATIONS

Première apparition
04/05/2026 15:16
Source: NVD
📊 ENRICHISSEMENT 01/06/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-443: DEPRECATED: HTTP response splitting - This weakness can be found at CWE-113.
Total des modifications: 1 Dernière mise à jour: 5 months ago

> REFERENCES

https://httpd.apache.org/security/vulnerabilities_24.html
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