CVE-2009-2071: Google Chrome

Medium severity, CVSS 6.8. EPSS: 1% chance of exploitation in the next 30 days.

Google Chrome before 1.0.154.53 displays a cached certificate for a (1) 4xx or (2) 5xx CONNECT response page returned by a proxy server, which allows man-in-the-middle attackers to spoof an arbitrary https site by letting a browser obtain a valid certificate from this site during one request, and then sending the browser a crafted 502 response page upon a subsequent request.

Affected products

• Google Chrome: up to and including 1.0.154.52; version 0.2.149.29 only; version 0.2.149.30 only; version 0.2.152.1 only; version 0.2.153.1 only; version 0.3.154.0 only; …

Published 2009-06-15. Last modified 2026-06-16.