Vulnerability Description
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 Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/mmaitre314/picklescan/security/advisories/GHSA-p9w7-82w4-7q8m
- https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-lib
- https://github.com/mmaitre314/picklescan/security/advisories/GHSA-p9w7-82w4-7q8m
FAQ
What is CVE-2025-71343?
CVE-2025-71343 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 wit...
How severe is CVE-2025-71343?
CVE-2025-71343 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-71343?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.