UBUNTU-CVE-2026-29168

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Source

https://ubuntu.com/security/CVE-2026-29168

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-29168.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-29168

Upstream

CVE-2026-29168

Downstream

USN-8239-1

Related

USN-8239-1

Published

2026-05-05T00:00:00Z

Modified

2026-06-04T12:45:18.738509294Z

Severity

7.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
Ubuntu - low

Summary

[none]

Details

Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's mod_md via OCSP response data. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

References

Affected packages

Ubuntu:22.04:LTS / apache2

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.4.52-1ubuntu4.20

Affected versions

2.*

2.4.48-3.1ubuntu3

2.4.48-3.1ubuntu4

2.4.51-2ubuntu1

2.4.52-1ubuntu1

2.4.52-1ubuntu2

2.4.52-1ubuntu4

2.4.52-1ubuntu4.1

2.4.52-1ubuntu4.2

2.4.52-1ubuntu4.3

2.4.52-1ubuntu4.4

2.4.52-1ubuntu4.5

2.4.52-1ubuntu4.6

2.4.52-1ubuntu4.7

2.4.52-1ubuntu4.8

2.4.52-1ubuntu4.9

2.4.52-1ubuntu4.10

2.4.52-1ubuntu4.11

2.4.52-1ubuntu4.12

2.4.52-1ubuntu4.13

2.4.52-1ubuntu4.14

2.4.52-1ubuntu4.15

2.4.52-1ubuntu4.16

2.4.52-1ubuntu4.18

2.4.52-1ubuntu4.19

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "apache2",
            "binary_version": "2.4.52-1ubuntu4.20"
        },
        {
            "binary_name": "apache2-bin",
            "binary_version": "2.4.52-1ubuntu4.20"
        },
        {
            "binary_name": "apache2-data",
            "binary_version": "2.4.52-1ubuntu4.20"
        },
        {
            "binary_name": "apache2-suexec-custom",
            "binary_version": "2.4.52-1ubuntu4.20"
        },
        {
            "binary_name": "apache2-suexec-pristine",
            "binary_version": "2.4.52-1ubuntu4.20"
        },
        {
            "binary_name": "apache2-utils",
            "binary_version": "2.4.52-1ubuntu4.20"
        },
        {
            "binary_name": "libapache2-mod-md",
            "binary_version": "2.4.52-1ubuntu4.20"
        },
        {
            "binary_name": "libapache2-mod-proxy-uwsgi",
            "binary_version": "2.4.52-1ubuntu4.20"
        }
    ],
    "priority_reason": "Apache httpd developers have rated this to be a low-severity issue"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-29168.json"

Ubuntu:24.04:LTS / apache2

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.4.58-1ubuntu8.12

Affected versions

2.*

2.4.57-2ubuntu2

2.4.57-2ubuntu3

2.4.58-1ubuntu1

2.4.58-1ubuntu2

2.4.58-1ubuntu6

2.4.58-1ubuntu7

2.4.58-1ubuntu8

2.4.58-1ubuntu8.1

2.4.58-1ubuntu8.2

2.4.58-1ubuntu8.3

2.4.58-1ubuntu8.4

2.4.58-1ubuntu8.5

2.4.58-1ubuntu8.6

2.4.58-1ubuntu8.7

2.4.58-1ubuntu8.8

2.4.58-1ubuntu8.10

2.4.58-1ubuntu8.11

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "apache2",
            "binary_version": "2.4.58-1ubuntu8.12"
        },
        {
            "binary_name": "apache2-bin",
            "binary_version": "2.4.58-1ubuntu8.12"
        },
        {
            "binary_name": "apache2-data",
            "binary_version": "2.4.58-1ubuntu8.12"
        },
        {
            "binary_name": "apache2-suexec-custom",
            "binary_version": "2.4.58-1ubuntu8.12"
        },
        {
            "binary_name": "apache2-suexec-pristine",
            "binary_version": "2.4.58-1ubuntu8.12"
        },
        {
            "binary_name": "apache2-utils",
            "binary_version": "2.4.58-1ubuntu8.12"
        },
        {
            "binary_name": "libapache2-mod-md",
            "binary_version": "2.4.58-1ubuntu8.12"
        },
        {
            "binary_name": "libapache2-mod-proxy-uwsgi",
            "binary_version": "2.4.58-1ubuntu8.12"
        }
    ],
    "priority_reason": "Apache httpd developers have rated this to be a low-severity issue"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-29168.json"

Ubuntu:25.10 / apache2

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.4.64-1ubuntu3.4

Affected versions

2.*

2.4.63-1ubuntu1

2.4.63-1ubuntu3

2.4.64-1ubuntu2

2.4.64-1ubuntu3

2.4.64-1ubuntu3.2

2.4.64-1ubuntu3.3

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "apache2",
            "binary_version": "2.4.64-1ubuntu3.4"
        },
        {
            "binary_name": "apache2-bin",
            "binary_version": "2.4.64-1ubuntu3.4"
        },
        {
            "binary_name": "apache2-data",
            "binary_version": "2.4.64-1ubuntu3.4"
        },
        {
            "binary_name": "apache2-suexec-custom",
            "binary_version": "2.4.64-1ubuntu3.4"
        },
        {
            "binary_name": "apache2-suexec-pristine",
            "binary_version": "2.4.64-1ubuntu3.4"
        },
        {
            "binary_name": "apache2-utils",
            "binary_version": "2.4.64-1ubuntu3.4"
        }
    ],
    "priority_reason": "Apache httpd developers have rated this to be a low-severity issue"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-29168.json"

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",
    "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"
        }
    ],
    "priority_reason": "Apache httpd developers have rated this to be a low-severity issue"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-29168.json"