Path traversal in binwalk
A path traversal vulnerability was identified in ReFirm Labs binwalk from version 2.1.2b through 2.3.3 inclusive. By crafting a malicious PFS filesystem file, an attacker can get binwalk's PFS extractor to extract files at arbitrary locations when binwalk is run in extraction mode (-e option). Remote code execution can be achieved by building a PFS filesystem that, upon extraction, would extract a malicious binwalk module into the folder .config/binwalk/plugins. This vulnerability is associated with program files src/binwalk/plugins/unpfs.py. This issue affects binwalk from 2.1.2b through and including 2.3.3.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | binwalk | >= 2.1.2b, <= 2.3.3 | no fix |
References
- https://nvd.nist.gov/vuln/detail/CVE-2022-4510
- https://github.com/ReFirmLabs/binwalk/pull/617
- https://github.com/ReFirmLabs/binwalk
- https://lists.debian.org/debian-lts-announce/2025/12/msg00022.html
- https://security.gentoo.org/glsa/202309-07
- https://pypi.org/project/binwalk
- https://github.com/advisories/GHSA-3cm8-v4mc-gppg
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-22- Platform
- Python (PyPI)
- Package
binwalk- Disclosed
- 26.01.2023
- Updated
- 11.10.2026 13:18
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-787 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-3cm8-v4mc-gppg - CC BY 4.0
Vulnerability history: binwalk
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 2
- First → latest
- 12.2022 01.2023
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 1
Disclosures per year
- 2022: 1
- 2023: 1
- 2024: 0
- 2025: 0
- 2026: 0
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Path traversal in binwalk this entry
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