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CVE-2025-71343

CVE-2025-71343 · picklescan - Arbitrary Code Execution via lib2to3.pgen2.pgen.ParserGenerator.make_label Detection Bypass

This page contains facts from public vulnerability sources. Check the original advisory before updating.

picklescan before 0.0.30 fails to detect malicious pickle files that exploit lib2to3.pgen2.pgen.ParserGenerator.make_label function in the reduce method. Attackers can craft malicious pickle files with embedded code that evades detection but executes arbitrary commands when pickle.load() is called.

CVSS 7.6 · High · EPSS 0.4% · Fix available

Published
Updated

Stack: python

Affected products and versions

  • picklescan

    Versions
    • ≥ 0, < 0.0.30: Affected (semver)
    • 0.0.30: Not affected (semver)

    Update to 0.0.30

  • picklescan PyPI

    Versions
    • 0.0.1
    • 0.0.10
    • 0.0.11
    • 0.0.12
    • 0.0.13
    • 0.0.14
    • 0.0.15
    • 0.0.16
    • 0.0.17
    • 0.0.18
    • 0.0.19
    • 0.0.2
    • 0.0.20
    • 0.0.21
    • 0.0.22
    • 0.0.23
    • 0.0.24
    • 0.0.25
    • 0.0.26
    • 0.0.27
    • 0.0.28
    • 0.0.29
    • 0.0.3
    • 0.0.4
    • 0.0.5
    • 0.0.6
    • 0.0.7
    • 0.0.8
    • 0.0.9
    Affected ranges
    • ECOSYSTEM: < 0.0.30

    Update to 0.0.30

Original sources

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