pdfminer-six 20251229
PkgFire would install this release with a warning.·Checked 18 hours ago·Published 29 December 2025
Why
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warnVulnerability
Insecure Deserialization (pickle) in pdfminer.six CMap Loader — Local Privesc (fixed in 20251230)
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warnVulnerability
Insecure Deserialization (pickle) in pdfminer.six CMap Loader — Local Privesc (fixed in 20251230)
Provenance
A registry signature proves the registry served these bytes unaltered. Build provenance proves which workflow built them from which commit; a stolen publishing token can fake the first but not the second.
- Signature
- Not signed
- Build provenance
- None, and no earlier version had any
What the code does
On its own this is weak signal: plenty of honest libraries read files or talk to the network. What PkgFire watches is a release gaining something the one before it did not.
Source patterns
Patterns found in the source, including those malware is known to use.
Other checked releases
Check every dependency before it installs
This page is one release. PkgFire checks every package in your lockfile, on every install and in every pull request, and blocks the bad ones before they run.