MEDIUM 5.3 Microsoft
CVE-2026-57436
Nokogiri: Possible Use-After-Free when setting `Document#root=` to an invalid node type
Microsoft Security Update 2026-Jun: Nokogiri: Possible Use-After-Free when setting `Document#root=` to an invalid node type
Affected Products
- azl3 rubygem-nokogiri 1.15.4-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57436
- https://nvd.nist.gov/vuln/detail/CVE-2026-57436
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-06-09 via Microsoft. Affected: azl3 rubygem-nokogiri 1.15.4-1 on Azure Linux 3.0.
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