CVE-2009-2973 Weak cryptography in n/a

What is CVE-2009-2973?

CVE-2009-2973 is a medium-severity vulnerability in Google Chrome, published on 27 Aug 2009. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Google Chrome before 2.0.172.43 does not prevent SSL connections to a site with an X.509 certificate signed with the (1) MD2 or (2) MD4 algorithm, which makes it easier for man-in-the-middle attackers to spoof arbitrary HTTPS servers via a crafted certificate, a related issue to CVE-2009-2409.

Weakness: CWE-310

Which versions are affected by CVE-2009-2973?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2009-2973?

No fix has been published for CVE-2009-2973 yet. Limit exposure of the affected software until one is available.

Is CVE-2009-2973 being exploited?

There is no known exploitation of CVE-2009-2973 in the wild and no public exploit code.

Other vulnerabilities in Google Chrome

• CVE-2022-4135 Google Chromium GPU Heap Buffer Overflow Exploited Critical 9.6
• CVE-2020-16017 Google Chrome Use-After-Free Exploited Critical 9.6
• CVE-2020-16010 Google Chrome for Android UI Heap Buffer Overflow Exploited Critical 9.6
• CVE-2026-87491 Google Chromium V8 Out of Bounds Write Exploited High 8.8
• CVE-2026-85046 Google Chromium V8 Type Confusion Exploited High 8.8

All Google Chrome vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-2c4v-vhcv-h8xg.