CVE-2026-25681

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering...

GO-2026-5028 Invoking denial of service when parsing arbitrary HTML in golang.org/x/net/html

Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service...

Mozilla: Crash in DOMParser due to out-of-memory conditions

The Mozilla Foundation Security Advisory describes this flaw as: An out-of-bounds read could have led to an exploitable crash when parsing HTML with DOMParser in low memory situations...