What is CVE-2011-2337?

CVE-2011-2337 is a critical-severity vulnerability in Google Blink, classified under Incorrect Type Conversion or Cast. CVSS score: 9.8/10. Published 2019-11-07.

How severe is CVE-2011-2337?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Google Blink

CVE-2011-2337

A wrong type is used for a return value from strlen in WebKit in Google Chrome before Blink M12 on 64-bit platforms.

Published 2019-11-07 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Google Blink
Google Chrome On 64-Bit Platforms — versions before Blink M12

Weakness classification (CWE)

CWE-704 — Incorrect Type Conversion or Cast

References

Frequently asked questions

What is CVE-2011-2337?: CVE-2011-2337 is a critical-severity vulnerability in Google Blink, classified under Incorrect Type Conversion or Cast. CVSS score: 9.8/10. Published 2019-11-07.
How severe is CVE-2011-2337?: Critical severity. CVSS v3 base score is 9.8 out of 10.