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CVE-2026-23918 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-23918

CVE-2026-23918

HIGH8.8

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

Published May 4, 2026

Modified 1 weeks ago

Details

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.

References

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

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

https://www.cve.org/CVERecord?id=CVE-2026-23918

CVSS Analysis

CVSS v3.1

8.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

8.8/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

Other

Ecosystems

Timeline

PublishedMay 4, 2026

ModifiedMay 5, 2026