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  5. GHSA-r8g5-cgf2-4m4m

GHSA-r8g5-cgf2-4m4m: Picklescan missing detection when calling numpy.f2py.crackfortran.getlincoef

December 29, 2025

An unsafe deserialization vulnerability allows an attacker to execute arbitrary code on the host when loading a malicious pickle payload from an untrusted source.

References

  • github.com/advisories/GHSA-r8g5-cgf2-4m4m
  • github.com/mmaitre314/picklescan
  • github.com/mmaitre314/picklescan/commit/70c1c6c31beb6baaf52c8db1b6c3c0e84a6f9dab
  • github.com/mmaitre314/picklescan/pull/53
  • github.com/mmaitre314/picklescan/releases/tag/v0.0.33
  • github.com/mmaitre314/picklescan/security/advisories/GHSA-r8g5-cgf2-4m4m

Code Behaviors & Features

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Affected versions

All versions before 0.0.33

Fixed versions

  • 0.0.33

Solution

Upgrade to version 0.0.33 or above.

Impact 9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-502: Deserialization of Untrusted Data

Source file

pypi/picklescan/GHSA-r8g5-cgf2-4m4m.yml

Spotted a mistake? Edit the file on GitLab.

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