CVE Watch21 jul 2026

CVE-2026-59200

Pillow is a Python imaging library. From 5.1.0 until 12.3.0, PdfParser.PdfStream.decode() in PIL/PdfParser.py calls zlib.decompress() with b

CVSS

7.5

Alto

EPSS

0.4%

p32

KEV

—

Exploit Today

0-100

Publicado: 14 jul 2026 · Última mod.: 21 jul 2026 · CWE-400 · CWE-770

EPSS · 30d

0.4%EPSS · 30 días0.4%

2026-08-232026-09-21

Descripción técnica

Pillow is a Python imaging library. From 5.1.0 until 12.3.0, PdfParser.PdfStream.decode() in PIL/PdfParser.py calls zlib.decompress() with bufsize set to the PDF stream Length field without bounding the decompressed output size, allowing a crafted FlateDecode PDF stream to exhaust memory from a small file. This issue is fixed in version 12.3.0.

Referencias oficiales

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