Loop with Unreachable Exit Condition ('Infinite Loop') Affecting python-pillow-debuginfo package, versions <0:9.4.0-2.amzn2023.0.1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
2.45% (83rd percentile)

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  • Snyk IDSNYK-AMZN2023-PYTHONPILLOWDEBUGINFO-3369486
  • published23 Mar 2023
  • disclosed2 Jun 2021

Introduced: 2 Jun 2021

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

How to fix?

Upgrade Amazon-Linux:2023 python-pillow-debuginfo to version 0:9.4.0-2.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2023-146.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-pillow-debuginfo package and not the python-pillow-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 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 Base Scores

version 3.1