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Vulnerability IntelligenceUBUNTU-CVE-2026-23918

UBUNTU-CVE-2026-23918

HIGH8.8

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 fixe

Published May 5, 2026

Modified 1 weeks ago

Fix available

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.

Affected Packages

apache2

Ubuntu 26.04 LTS

Fixed in:

2.4.66-2ubuntu2.1

References

https://ubuntu.com/security/CVE-2026-23918

https://ubuntu.com/security/notices/USN-8239-1

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

CVSS Analysis

CVSS v3.1

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

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

Upstream

Related

Ecosystems

Ubuntu 26.04 LTS

Timeline

PublishedMay 5, 2026

ModifiedMay 20, 2026

UBUNTU-CVE-2026-23918 | Mondoo Vulnerability Intelligence