Loop with Unreachable Exit Condition ('Infinite Loop') Affecting python3-pillow package, versions <0:5.1.1-16.el8


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.42% (75th percentile)

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  • Snyk IDSNYK-ALMALINUX8-PYTHON3PILLOW-5656959
  • published28 May 2023
  • disclosed9 Nov 2021

Introduced: 9 Nov 2021

CVE-2021-28676  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 python3-pillow to version 0:5.1.1-16.el8 or higher.
This issue was patched in ALSA-2021:4149.

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 AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

An issue was discovered in Pillow before 8.2.0. For FLI data, FliDecode did not properly check that the block advance was non-zero, potentially leading to an infinite loop on load.

CVSS Scores

version 3.1