Security Advisory

CVE-2026-55379

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-06 18:52:11

Last updated 2026-07-06 19:17:03

Assigner GitHub_M

CVSS score 7.5

State PUBLISHED

Description

Pillow is a Python imaging library. Prior to 12.3.0, PIL/BdfFontFile.py bdf_char() read the BBX width and height field from a BDF font file and passed attacker-controlled dimensions to Image.new() without calling Image._decompression_bomb_check(), bypassing Pillow's documented decompression bomb protection and allowing excessive memory allocation. This issue is fixed in version 12.3.0.

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