UBUNTU-CVE-2026-23918

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Source
https://ubuntu.com/security/CVE-2026-23918
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-23918.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-23918
Upstream
  • CVE-2026-23918
Downstream
Related
Published
2026-05-05T00:00:00Z
Modified
2026-05-20T16:24:43.168401214Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - high
Summary
[none]
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

Affected packages

Ubuntu:26.04:LTS / apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.66-2ubuntu2.1

Affected versions

2.*
2.4.64-1ubuntu3
2.4.65-3ubuntu1
2.4.66-2ubuntu1
2.4.66-2ubuntu2

Ecosystem specific 

{
    "availability": "No subscription required",
    "priority_reason": "This a potential remote code execution issue",
    "binaries": [
        {
            "binary_name": "apache2",
            "binary_version": "2.4.66-2ubuntu2.1"
        },
        {
            "binary_name": "apache2-bin",
            "binary_version": "2.4.66-2ubuntu2.1"
        },
        {
            "binary_name": "apache2-data",
            "binary_version": "2.4.66-2ubuntu2.1"
        },
        {
            "binary_name": "apache2-suexec-custom",
            "binary_version": "2.4.66-2ubuntu2.1"
        },
        {
            "binary_name": "apache2-suexec-pristine",
            "binary_version": "2.4.66-2ubuntu2.1"
        },
        {
            "binary_name": "apache2-utils",
            "binary_version": "2.4.66-2ubuntu2.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-23918.json"