Pillow EpsImagePlugin negative %%BeginBinary byte count causes infinite loop denial of service
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.
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beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-59203US | high7.5 | — | ||
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… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/python-pillow/Pillow/commit/03992618118b4a76b6163cd72ab5ecd684133b83FIX
- https://github.com/python-pillow/Pillow/pull/9708FIX
- https://github.com/python-pillow/Pillow/releases/tag/12.3.0ARTICLE
- https://github.com/python-pillow/Pillow/security/advisories/GHSA-pg7v-jwj7-p798ADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-59203WEB
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