httplib2 up to 0.31.x Decompression httplib2/init.py _decompressContent encoding error

Summaryinfo

A vulnerability was found in httplib2 up to 0.31.x and classified as problematic. The impacted element is the function _decompressContent of the file httplib2/init.py of the component Decompression. The manipulation results in encoding error. This vulnerability is known as CVE-2026-59939. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in httplib2 up to 0.31.x. Affected is the function _decompressContent of the file httplib2/init.py of the component Decompression. The manipulation with an unknown input leads to a encoding error vulnerability. CWE is classifying the issue as CWE-172. The product does not properly encode or decode the data, resulting in unexpected values. This is going to have an impact on availability. CVE summarizes:

httplib2 is a comprehensive HTTP client library for Python. Prior to 0.32.0, httplib2 performs unbounded decompression of HTTP response bodies encoded with Content-Encoding: gzip or deflate in _decompressContent in httplib2/init.py, allowing a malicious or compromised HTTP server to return a small compressed payload that expands to an arbitrarily large size in memory and causes MemoryError or OOM-kill in the client process. This issue is fixed in version 0.32.0.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-59939 since 07/07/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

Upgrading to version 0.32.0 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

• httplib2

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23
• 0.24
• 0.25
• 0.26
• 0.27
• 0.28
• 0.29
• 0.30
• 0.31

Website

• Product: https://github.com/httplib2/httplib2/

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CPE 2.2info

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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