CVE-2015-1253: core/html/parser/HTMLConstructionSite.cpp in the DOM implementation in Blink, as used in Google Chrome befo...

Security readout for executives and security teams

This is an old browser isolation flaw in Blink, the engine used by Google Chrome. A malicious page could bypass the Same Origin Policy, weakening a core browser boundary that normally stops one site from accessing another site's data. The bundle does not show active exploitation. Exposure is most likely on legacy systems running Google Chrome or Chromium-derived distro packages from before the May 2015 fixed releases. Current managed browsers are unlikely to be exposed, but old appliance images, kiosks, lab systems, or unsupported desktops may still matter. Prioritize remediation where obsolete browsers remain in production. The issue affects a fundamental browser security boundary, but urgency is mainly for legacy exposure because the fixed release dates back to 2015 and no KEV evidence is provided. Mitigation focus: Upgrade Chrome or Chromium packages beyond the vendor-fixed 2015 releases.; Review Google, Debian, Gentoo, and openSUSE advisories for package-specific fixed versions.; Remove unsupported legacy browsers from endpoints, kiosks, and golden images..

Prepared

Jun 13, 2026, 22:39 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.