Integer Overflow or Wraparound Affecting open-webui package, versions <0.11.0-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.11% (2nd percentile)

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  • Snyk IDSNYK-WOLFILATEST-OPENWEBUI-18371066
  • published29 Jul 2026
  • disclosed9 May 2026

Introduced: 9 May 2026

CVE-2026-42308  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Wolfi open-webui to version 0.11.0-r0 or higher.

NVD Description

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

Pillow is a Python imaging library. Prior to version 12.2.0, if a font advances for each glyph by an exceeding large amount, when Pillow keeps track of the current position, it may lead to an integer overflow. This issue has been patched in version 12.2.0.

CVSS Base Scores

version 3.1