UBUNTU-CVE-2018-17189

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Source
https://ubuntu.com/security/CVE-2018-17189
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-17189.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-17189
Upstream
Downstream
Related
Published
2019-01-30T00:00:00Z
Modified
2025-09-08T16:45:02Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • 5.3 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

In Apache HTTP server versions 2.4.37 and prior, by sending request bodies in a slow loris way to plain resources, the h2 stream for that request unnecessarily occupied a server thread cleaning up that incoming data. This affects only HTTP/2 (mod_http2) connections.

References

Affected packages

Ubuntu:18.04:LTS / apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2@2.4.29-1ubuntu4.6?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.29-1ubuntu4.6

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.4.29-1ubuntu4.6",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.6",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.6",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.6",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.6",
            "binary_name": "apache2-ssl-dev"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.6",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.6",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.6",
            "binary_name": "apache2-utils"
        }
    ]
}