PyPI PACKAGE

pillow 12.3.0

Block

PkgFire would stop this release from installing.·Checked 13 hours ago·Published 1 July 2026

pypi.org

Why

  • blockVulnerability

    PYSEC-2026-4330 (fixed in 13.0.0)

  • blockVulnerability

    PYSEC-2026-4332 (fixed in 13.0.0)

  • blockVulnerability

    PYSEC-2026-4339 (fixed in 13.0.0)

  • blockVulnerability

    Pillow: Heap buffer overflow in _tiffWriteProc when saving TIFF to BytesIO (fixed in 13.0.0)

  • blockVulnerability

    Pillow: Heap buffer overflow in FlashPix (FPX) JPEG decoding leads to code execution (fixed in 13.0.0)

  • blockVulnerability

    Pillow: Heap buffer overflow in ImagingJpegDecode (fixed in 13.0.0)

  • blockVulnerability

    Pillow multi-frame loaders can reuse stale native image storage after mode transitions (fixed in 13.0.0)

  • blockVulnerability

    Pillow: Argument Injection in Ghostscript call, potentially leading into RCE (fixed in 13.0.0)

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
Attested

Licence and upkeep

Licence
MIT-CMU
Source
github.com/python-pillow/Pillow ↗
OpenSSF Scorecard
7.6 / 10

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.

Code reading

PkgFire's own reading of the files: what the code can do.

  • code-evalsrc/PIL/Image.py, src/PIL/ImageFont.py, src/PIL/ImageMath.py
  • code-execsetup.py, src/PIL/EpsImagePlugin.py, src/PIL/GifImagePlugin.py, src/PIL/ImageGrab.py, src/PIL/ImageShow.py
  • code-networkdepends/download-and-extract.sh, winbuild/build_prepare.py
  • install-execsetup.py

Source patterns

Patterns found in the source, including those malware is known to use.

  • capability-filesystem-delete
  • capability-filesystem-read
  • capability-filesystem-write-executable
  • capability-network-download
  • capability-network-outbound
  • capability-process-spawn
  • threat-process-download-exec
  • threat-runtime-obfuscation-steganography
  • threat-runtime-screencapture

Other checked releases

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