USN-8537-1

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Source
https://ubuntu.com/security/notices/USN-8537-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8537-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8537-1
Upstream
Related
Published
2026-07-14T11:56:56Z
Modified
2026-07-14T23:44:42.807462415Z
Summary
python-httplib2 vulnerability
Details

It was discovered that httplib2 performed unbounded decompression of HTTP response bodies when the server used gzip or deflate Content-Encoding. A remote attacker could possibly use this issue to cause httplib2 to use excessive resources, leading to a denial of service.

References

Affected packages

Ubuntu:22.04:LTS / python-httplib2

Package

Name
python-httplib2
Purl
pkg:deb/ubuntu/python-httplib2?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.20.2-2ubuntu0.1

Affected versions

0.*
0.18.1-3ubuntu1
0.20.2-2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "0.20.2-2ubuntu0.1",
            "binary_name": "python3-httplib2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8537-1.json"
cves_map 
{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2026-59939"
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}

Ubuntu:24.04:LTS / python-httplib2

Package

Name
python-httplib2
Purl
pkg:deb/ubuntu/python-httplib2?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.20.4-3ubuntu0.1

Affected versions

0.*
0.20.4-3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "0.20.4-3ubuntu0.1",
            "binary_name": "python3-httplib2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8537-1.json"
cves_map 
{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2026-59939"
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}

Ubuntu:26.04:LTS / python-httplib2

Package

Name
python-httplib2
Purl
pkg:deb/ubuntu/python-httplib2?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.22.0-1ubuntu0.1

Affected versions

0.*
0.22.0-1
0.22.0-1build1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "0.22.0-1ubuntu0.1",
            "binary_name": "python3-httplib2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8537-1.json"
cves_map 
{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2026-59939"
        }
    ],
    "ecosystem": "Ubuntu:26.04:LTS"
}