CVE-2025-67747
Description
Fickling is a Python pickling decompiler and static analyzer. Versions prior to 0.1.6 are missing marshal and types from the block list of unsafe module imports. Fickling started blocking both modules to address this issue. This allows an attacker to craft a malicious pickle file that can bypass fickling since it misses detections for types.FunctionType and marshal.loads. A user who deserializes such a file, believing it to be safe, would inadvertently execute arbitrary code on their system. This impacts any user or system that uses Fickling to vet pickle files for security issues. The issue was fixed in version 0.1.6.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
ficklingPyPI | < 0.1.6 | 0.1.6 |
Affected products
3master, v0.0.1, v0.0.2, …+ 1 more
- (no CPE)range: master, v0.0.1, v0.0.2, …
- cpe:2.3:a:trailofbits:fickling:*:*:*:*:*:*:*:*range: <0.1.6
Patches
Vulnerability mechanics
References
6- github.com/trailofbits/fickling/commit/4e34561301bda1450268d1d7b0b2b151de33b913nvdPatchWEB
- github.com/trailofbits/fickling/security/advisories/GHSA-565g-hwwr-4pp3nvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-565g-hwwr-4pp3ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-67747ghsaADVISORY
- github.com/trailofbits/fickling/pull/186nvdIssue TrackingWEB
- github.com/trailofbits/fickling/releases/tag/v0.1.6nvdRelease NotesWEB
News mentions
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