CVE-2026-59939

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/httplib2/httplib2/commit/87581ad6cf752fe3da2090c59058261d2d00a427	Patch
https://github.com/httplib2/httplib2/releases/tag/v0.32.0	Release Notes
https://github.com/httplib2/httplib2/security/advisories/GHSA-j5g9-f88f-gfj3	Exploit Vendor Advisory
https://lists.debian.org/debian-lts-announce/2026/08/msg00039.html
https://github.com/httplib2/httplib2/security/advisories/GHSA-j5g9-f88f-gfj3	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:httplib2_project:httplib2:*:*:*:*:*:python:*:*

History

No history.

Information

Published : 2026-07-08 20:16

Updated : 2026-08-20 21:17

NVD link : CVE-2026-59939

Mitre link : CVE-2026-59939

CVE.ORG link : CVE-2026-59939

JSON object : View

Products Affected

httplib2_project

httplib2

CWE

CWE-409

Improper Handling of Highly Compressed Data (Data Amplification)

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