USN-7955-2

USN-7955-1 fixed vulnerabilities in urllib3. The update introduced a regression in response streaming on Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that urllib3 incorrectly handled decompression during HTTP redirects. An attacker could possibly use this issue to cause urllib3 to use excessive resources, causing a denial of service.

References

Affected packages

Ubuntu:Pro:20.04:LTS / python-urllib3

Package

Name: python-urllib3
Purl: pkg:deb/ubuntu/python-urllib3@1.25.8-2ubuntu0.4+esm4?arch=source&distro=esm-infra/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.25.8-2ubuntu0.4+esm4

Affected versions

1.*

1.24.1-1ubuntu1

1.24.1-1ubuntu2

1.25.8-1

1.25.8-2

1.25.8-2ubuntu0.1

1.25.8-2ubuntu0.2

1.25.8-2ubuntu0.3

1.25.8-2ubuntu0.4

1.25.8-2ubuntu0.4+esm1

1.25.8-2ubuntu0.4+esm2

1.25.8-2ubuntu0.4+esm3

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "python3-urllib3",
            "binary_version": "1.25.8-2ubuntu0.4+esm4"
        }
    ]
}

Database specific

cves_map

{
    "cves": [],
    "ecosystem": "Ubuntu:Pro:20.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7955-2.json"

Ubuntu:22.04:LTS / python-urllib3

Package

Name: python-urllib3
Purl: pkg:deb/ubuntu/python-urllib3@1.26.5-1~exp1ubuntu0.6?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.26.5-1~exp1ubuntu0.6

Affected versions

1.*

1.26.5-1~exp1

1.26.5-1~exp1ubuntu0.1

1.26.5-1~exp1ubuntu0.2

1.26.5-1~exp1ubuntu0.3

1.26.5-1~exp1ubuntu0.4

1.26.5-1~exp1ubuntu0.5

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "python3-urllib3",
            "binary_version": "1.26.5-1~exp1ubuntu0.6"
        }
    ]
}

Database specific

cves_map

{
    "cves": [],
    "ecosystem": "Ubuntu:22.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7955-2.json"