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    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.

    Published:Jul 8, 2026
    Last Modified:Aug 20, 2026
    EPS:Jul 8, 2026
    EPSS Score:0.0041
    CVSS Score:7.5

    Affected Products

    Vendor
    Httplib2 Project
    Product
    Httplib2

    Exploits

    https://github.com/httplib2/httplib2/security/advisories/GHSA-j5g9-f88f-gfj3https://github.com/httplib2/httplib2/security/advisories/GHSA-j5g9-f88f-gfj3

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High