Uncontrolled Memory Allocation Affecting python3-pillow package, versions <0:5.1.1-22.el8_10


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

Social Trends
EPSS
0.42% (35th percentile)

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  • Snyk IDSNYK-ORACLE8-PYTHON3PILLOW-17984147
  • published15 Jul 2026
  • disclosed6 Jul 2026

Introduced: 6 Jul 2026

CVE-2026-55379  (opens in a new tab)
CWE-789  (opens in a new tab)

How to fix?

Upgrade Oracle:8 python3-pillow to version 0:5.1.1-22.el8_10 or higher.
This issue was patched in ELSA-2026-39127.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-pillow package and not the python3-pillow package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1