USN-6506-1
- Source
- https://ubuntu.com/security/notices/USN-6506-1
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6506-1.json
- JSON Data
- https://api.osv.dev/v1/vulns/USN-6506-1
- Upstream
- Related
- Published
- 2023-11-22T14:55:30.675302Z
- Modified
- 2025-10-13T04:36:42Z
- Summary
- apache2 vulnerabilities
- Details
-
David Shoon discovered that the Apache HTTP Server mod_macro module incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service. (CVE-2023-31122)
Prof. Sven Dietrich, Isa Jafarov, Prof. Heejo Lee, and Choongin Lee discovered that the Apache HTTP Server incorrectly handled certain HTTP/2 connections. A remote attacker could possibly use this issue to cause the server to consume resources, leading to a denial of service. This issue only affected Ubuntu 23.04, and Ubuntu 23.10. (CVE-2023-43622)
Will Dormann and David Warren discovered that the Apache HTTP Server incorrectly handled memory when handling HTTP/2 connections. A remote attacker could possibly use this issue to cause the server to consume resources, leading to a denial of service. (CVE-2023-45802)
- References
Affected packages
Ubuntu:20.04:LTS / apache2
Package
- Name
- apache2
- Purl
- pkg:deb/ubuntu/apache2@2.4.41-4ubuntu3.15?arch=source&distro=focal
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed2.4.41-4ubuntu3.15
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
Ecosystem specific
{
"binaries": [
{
"binary_version": "2.4.41-4ubuntu3.15",
"binary_name": "apache2"
},
{
"binary_version": "2.4.41-4ubuntu3.15",
"binary_name": "apache2-bin"
},
{
"binary_version": "2.4.41-4ubuntu3.15",
"binary_name": "apache2-data"
},
{
"binary_version": "2.4.41-4ubuntu3.15",
"binary_name": "apache2-dev"
},
{
"binary_version": "2.4.41-4ubuntu3.15",
"binary_name": "apache2-ssl-dev"
},
{
"binary_version": "2.4.41-4ubuntu3.15",
"binary_name": "apache2-suexec-custom"
},
{
"binary_version": "2.4.41-4ubuntu3.15",
"binary_name": "apache2-suexec-pristine"
},
{
"binary_version": "2.4.41-4ubuntu3.15",
"binary_name": "apache2-utils"
},
{
"binary_version": "2.4.41-4ubuntu3.15",
"binary_name": "libapache2-mod-md"
},
{
"binary_version": "2.4.41-4ubuntu3.15",
"binary_name": "libapache2-mod-proxy-uwsgi"
}
],
"availability": "No subscription required"
}
Database specific
{
"cves_map": {
"cves": [
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"id": "CVE-2023-31122"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2023-45802"
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
}
Ubuntu:22.04:LTS / apache2
Package
- Name
- apache2
- Purl
- pkg:deb/ubuntu/apache2@2.4.52-1ubuntu4.7?arch=source&distro=jammy
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed2.4.52-1ubuntu4.7
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
Ecosystem specific
{
"binaries": [
{
"binary_version": "2.4.52-1ubuntu4.7",
"binary_name": "apache2"
},
{
"binary_version": "2.4.52-1ubuntu4.7",
"binary_name": "apache2-bin"
},
{
"binary_version": "2.4.52-1ubuntu4.7",
"binary_name": "apache2-data"
},
{
"binary_version": "2.4.52-1ubuntu4.7",
"binary_name": "apache2-dev"
},
{
"binary_version": "2.4.52-1ubuntu4.7",
"binary_name": "apache2-ssl-dev"
},
{
"binary_version": "2.4.52-1ubuntu4.7",
"binary_name": "apache2-suexec-custom"
},
{
"binary_version": "2.4.52-1ubuntu4.7",
"binary_name": "apache2-suexec-pristine"
},
{
"binary_version": "2.4.52-1ubuntu4.7",
"binary_name": "apache2-utils"
},
{
"binary_version": "2.4.52-1ubuntu4.7",
"binary_name": "libapache2-mod-md"
},
{
"binary_version": "2.4.52-1ubuntu4.7",
"binary_name": "libapache2-mod-proxy-uwsgi"
}
],
"availability": "No subscription required"
}
Database specific
{
"cves_map": {
"cves": [
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"id": "CVE-2023-31122"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2023-45802"
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
}