Open-source package vulnerability · PyPI

GHSA-7f79-rvx6-vxc4: Duplicate Advisory: Picklescan does not block ctypes

criticalCVSS 4.0 9.3 · 3.1 9.8

This advisory was withdrawn on Jun 18, 2026. The publisher no longer considers it a valid vulnerability.

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-4675-36f9-wf6r. This link is maintained to preserve external references. Original Description picklescan before 0.0.33 fails to block the ctypes module, allowing attackers to achieve remote code execution by invoking direct syscalls and accessing raw memory.

Published Jun 17, 2026 · Updated Jun 18, 2026

Affected packages

picklescan

Ecosystem: PyPI
Affected: < 0.0.33
Fixed in: 0.0.33
Check: pip show picklescan

Advisory details

From the GitHub Advisory Database (CC BY 4.0).

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-4675-36f9-wf6r. This link is maintained to preserve external references.

Original Description

picklescan before 0.0.33 fails to block the ctypes module, allowing attackers to achieve remote code execution by invoking direct syscalls and accessing raw memory. Attackers can craft malicious pickle files using ctypes.WinDLL to load kernel32.dll and execute arbitrary commands, bypassing sandbox protections and gadget chain detection.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

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