CVE-2026-23918

Media report

EPSS 0.07%
Published 04.05.2026 14:44:28
Last modified 04.05.2026 20:24:58
Source security@apache.org
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Apache HTTP Server: http2: double free and possible RCE on early reset

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 Warnungen 0 Metrics 2 CWE 1 References 8

NVD 1 VulnDex Vulnerability Enrichment 1

Data is provided by the National Vulnerability Database (NVD)

Apache ≫ HTTP Server Version2.4.66

VulnDex Vulnerability Enrichment

This information is available to logged-in users.

Zu dieser CVE wurde keine Warnung gefunden.

EPSS Metrics
Type	Source	Score	percentile
EPSS	FIRST.org	0.07%	0.209

CVSS Metrics
Source	Base Score	Exploit Score	Impact Score	Vector string
134c704f-9b21-4f2e-91b3-4a467353bcc0	8.8	2.8	5.9	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-415 Double Free

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

https://thehackernews.com/2026/05/weekly-recap-linux-rootkit-macos-crypto.html

Media Report

https://www.heise.de/news/Apache-HTTP-Server-Hochriskante-Luecken-ermoeglichen-Einschleusen-von-Schadcode-11284090.html

Media Report

https://thehackernews.com/2026/05/critical-apache-http2-flaw-cve-2026.html

Media Report

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

Vendor Advisory

http://www.openwall.com/lists/oss-security/2026/05/04/19

Third Party Advisory

Mailing List

https://nvd.nist.gov/vuln/detail/CVE-2026-23918

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2026-23918

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2026-23918

EUVD

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CVE-2026-23918