pillow: Pillow is a Python imaging library
CVE-2026-59203 is fixed in 3 products on 1 platform, first by python3-pil 12.1.1-2ubuntu1.4, released July 14, 2026. It is not reported as exploited. Patch Radar priority: High.
Pillow is a Python imaging library. From 12.0.0 through 12.2.0, Pillow's EPS parser in PIL/EpsImagePlugin.py accepts a negative byte count in the %%BeginBinary directive, allowing a crafted EPS file to cause Image.open() to seek backwards to the same directive and parse it repeatedly in an infinite loop. This issue is fixed in version 12.3.0.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| pillow · Debian 14 | 12.3.0-1 | DEBIAN-CVE-2026-59203 | Jul 25, 2026 |
| python3-pil · Ubuntu 26.04.1 LTS (resolute) | 12.1.1-2ubuntu1.4 | python3-pil 12.1.1-2ubuntu1.4 | Jul 14, 2026 |
| python3-pil.imagetk · Ubuntu 26.04.1 LTS (resolute) | 12.1.1-2ubuntu1.4 | python3-pil.imagetk 12.1.1-2ubuntu1.4 | Jul 14, 2026 |
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