Loop with Unreachable Exit Condition ('Infinite Loop') Affecting pillow package, versions <7.0.0-4ubuntu0.4


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.42% (75th percentile)

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  • Snyk IDSNYK-UBUNTU2004-PILLOW-1290734
  • published11 May 2021
  • disclosed2 Jun 2021

Introduced: 11 May 2021

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

How to fix?

Upgrade Ubuntu:20.04 pillow to version 7.0.0-4ubuntu0.4 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 Ubuntu. See How to fix? for Ubuntu:20.04 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