Resource Exhaustion Affecting pillow package, versions <12.3.0-1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.39% (32nd percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-PILLOW-17987584
  • published16 Jul 2026
  • disclosed14 Jul 2026

Introduced: 14 Jul 2026

CVE-2026-59200  (opens in a new tab)
CWE-400  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade Debian:unstable pillow to version 12.3.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pillow package and not the pillow package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1