UBUNTU-CVE-2025-49630

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Source
https://ubuntu.com/security/CVE-2025-49630
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-49630.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-49630
Upstream
Downstream
Related
Published
2025-07-10T17:15:00Z
Modified
2025-09-08T17:11:57Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

In certain proxy configurations, a denial of service attack against Apache HTTP Server versions 2.4.26 through to 2.4.63 can be triggered by untrusted clients causing an assertion in modproxyhttp2. Configurations affected are a reverse proxy is configured for an HTTP/2 backend, with ProxyPreserveHost set to "on".

References

Affected packages

Ubuntu:Pro:18.04:LTS / apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2@2.4.29-1ubuntu4.27+esm6?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.29-1ubuntu4.27+esm6

Affected versions

2.*

2.4.27-2ubuntu3
2.4.29-1ubuntu1
2.4.29-1ubuntu2
2.4.29-1ubuntu3
2.4.29-1ubuntu4
2.4.29-1ubuntu4.1
2.4.29-1ubuntu4.2
2.4.29-1ubuntu4.3
2.4.29-1ubuntu4.4
2.4.29-1ubuntu4.5
2.4.29-1ubuntu4.6
2.4.29-1ubuntu4.7
2.4.29-1ubuntu4.8
2.4.29-1ubuntu4.10
2.4.29-1ubuntu4.11
2.4.29-1ubuntu4.12
2.4.29-1ubuntu4.13
2.4.29-1ubuntu4.14
2.4.29-1ubuntu4.16
2.4.29-1ubuntu4.17
2.4.29-1ubuntu4.18
2.4.29-1ubuntu4.19
2.4.29-1ubuntu4.20
2.4.29-1ubuntu4.21
2.4.29-1ubuntu4.22
2.4.29-1ubuntu4.23
2.4.29-1ubuntu4.24
2.4.29-1ubuntu4.25
2.4.29-1ubuntu4.26
2.4.29-1ubuntu4.27
2.4.29-1ubuntu4.27+esm1
2.4.29-1ubuntu4.27+esm2
2.4.29-1ubuntu4.27+esm3
2.4.29-1ubuntu4.27+esm4

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "2.4.29-1ubuntu4.27+esm6",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.27+esm6",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.27+esm6",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.27+esm6",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.27+esm6",
            "binary_name": "apache2-ssl-dev"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.27+esm6",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.27+esm6",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.27+esm6",
            "binary_name": "apache2-utils"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2@2.4.41-4ubuntu3.23+esm2?arch=source&distro=esm-infra/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.41-4ubuntu3.23+esm2

Affected versions

2.*

2.4.41-1ubuntu1
2.4.41-4ubuntu1
2.4.41-4ubuntu2
2.4.41-4ubuntu3
2.4.41-4ubuntu3.1
2.4.41-4ubuntu3.3
2.4.41-4ubuntu3.4
2.4.41-4ubuntu3.5
2.4.41-4ubuntu3.6
2.4.41-4ubuntu3.7
2.4.41-4ubuntu3.8
2.4.41-4ubuntu3.9
2.4.41-4ubuntu3.10
2.4.41-4ubuntu3.11
2.4.41-4ubuntu3.12
2.4.41-4ubuntu3.13
2.4.41-4ubuntu3.14
2.4.41-4ubuntu3.15
2.4.41-4ubuntu3.16
2.4.41-4ubuntu3.17
2.4.41-4ubuntu3.19
2.4.41-4ubuntu3.20
2.4.41-4ubuntu3.21
2.4.41-4ubuntu3.23

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "2.4.41-4ubuntu3.23+esm2",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.23+esm2",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.23+esm2",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.23+esm2",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.23+esm2",
            "binary_name": "apache2-ssl-dev"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.23+esm2",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.23+esm2",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.23+esm2",
            "binary_name": "apache2-utils"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.23+esm2",
            "binary_name": "libapache2-mod-md"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.23+esm2",
            "binary_name": "libapache2-mod-proxy-uwsgi"
        }
    ]
}

Ubuntu:22.04:LTS / apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2@2.4.52-1ubuntu4.15?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.52-1ubuntu4.15

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.4.52-1ubuntu4.15",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.15",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.15",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.15",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.15",
            "binary_name": "apache2-ssl-dev"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.15",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.15",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.15",
            "binary_name": "apache2-utils"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.15",
            "binary_name": "libapache2-mod-md"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.15",
            "binary_name": "libapache2-mod-proxy-uwsgi"
        }
    ]
}

Ubuntu:24.04:LTS / apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2@2.4.58-1ubuntu8.7?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.58-1ubuntu8.7

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.4.58-1ubuntu8.7",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.58-1ubuntu8.7",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.58-1ubuntu8.7",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.58-1ubuntu8.7",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.58-1ubuntu8.7",
            "binary_name": "apache2-ssl-dev"
        },
        {
            "binary_version": "2.4.58-1ubuntu8.7",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.58-1ubuntu8.7",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.58-1ubuntu8.7",
            "binary_name": "apache2-utils"
        },
        {
            "binary_version": "2.4.58-1ubuntu8.7",
            "binary_name": "libapache2-mod-md"
        },
        {
            "binary_version": "2.4.58-1ubuntu8.7",
            "binary_name": "libapache2-mod-proxy-uwsgi"
        }
    ]
}

Ubuntu:25.04 / apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2@2.4.63-1ubuntu1.1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.63-1ubuntu1.1

Affected versions

2.*

2.4.62-1ubuntu1
2.4.62-3ubuntu1
2.4.63-1ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.4.63-1ubuntu1.1",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.63-1ubuntu1.1",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.63-1ubuntu1.1",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.63-1ubuntu1.1",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.63-1ubuntu1.1",
            "binary_name": "apache2-ssl-dev"
        },
        {
            "binary_version": "2.4.63-1ubuntu1.1",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.63-1ubuntu1.1",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.63-1ubuntu1.1",
            "binary_name": "apache2-utils"
        }
    ]
}