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CVE-2025-71359

CVE-2025-71359 · picklescan - Unsafe Deserialization via lib2to3.pgen2.grammar.Grammar.loads

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

picklescan before 0.0.29 fails to detect malicious pickle payloads that utilize lib2to3.pgen2.grammar.Grammar.loads in the reduce method, allowing remote code execution. Attackers can craft pickle files embedding dangerous code that evades picklescan detection and executes during pickle.load() deserialization.

CVSS 7.6 · High · EPSS 0.6% · Fix available

Published
Updated

Stack: python

Affected products and versions

  • picklescan

    Versions
    • ≥ 0, < 0.0.29: Affected (semver)
    • 0.0.29: Not affected (semver)

    Update to 0.0.29

  • 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
    • 0.0.3
    • 0.0.4
    • 0.0.5
    • 0.0.6
    • 0.0.7
    • 0.0.8
    • 0.0.9
    Affected ranges
    • ECOSYSTEM: < 0.0.29

    Update to 0.0.29

Original sources

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