CVE-2026-57236: Nokogiri: Possible Use-After-Free when `Nokogiri::XML::Document#encoding=` raises an exception

Overview

Severity
High (CVSS 8.2)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Exploit Status
Not Exploited
Patch Tuesday
2026-Jun
Released
2026-06-27
Last Updated
2026-06-30
EPSS Score
0.34% (percentile: 26.8%)

Affected Products (1)

Open Source Software

  • azl3 rubygem-nokogiri 1.15.4-1 on Azure Linux 3.0

Revision History

  • 2026-06-27: Information published.
  • 2026-06-30: Information published.