> CVE-2026-23918

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PUBLISHED
2026-05-04 15:16
MODIFIED
2026-05-04 15:21
EPSS (Prob. Exploit)
49.73%
Top 1.1%
⚡ EPSS ÉLEVÉ (49.7%)
DATA SOURCES:
NVD 🔗 2026-05-04 RED HAT 🔗 2026-05-10 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-11-08 OSV 🔗 2026-11-02 MSRC 🔗 2026-11-02

> DESCRIPTION

Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

> AFFECTED_PRODUCTS

Red Hat - Red Hat Hardened Images
Version: 2.4.67

> WEAKNESSES

CWE-415

> CWE DETAILED DESCRIPTIONS

CWE-415: Double Free - The product calls free() twice on the same memory address.

> 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 SEVERITY ASSESSMENT

THREAT SEVERITY
Important

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Apache HTTP Server: http2: double free and possible RCE on early reset

AFFECTED PACKAGES:
Unknown / Unknown
1 versions affected
ALIASES:
BIT-apache-2026-23918

> 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-415: Double Free - The product calls free() twice on the same memory address.
📊 ENRICHISSEMENT 10/05/2026 05:02
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
N/A
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 10/05/2026 05:02
REDHAT
Champ modifié: Red Hat
Ancienne valeur:
Non
Nouvelle valeur:
Oui
Total des modifications: 3 Dernière mise à jour: 5 months ago

> REFERENCES

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