What is CVE-2011-1802?

CVE-2011-1802 is a medium-severity vulnerability in Google Blink, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2019-11-12.

How severe is CVE-2011-1802?

Medium severity. CVSS v3 base score is 6.5 out of 10.

NULL pointer dereference in Google Blink

CVE-2011-1802

WebKit in Google Chrome before Blink M11 and M12 does not properly handle counter nodes, which allows remote attackers to cause a denial of service (memory corruption).

Published 2019-11-12 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (47.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Google Blink
Google Chrome — versions before Blink M11 and M12

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

Frequently asked questions

What is CVE-2011-1802?: CVE-2011-1802 is a medium-severity vulnerability in Google Blink, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2019-11-12.
How severe is CVE-2011-1802?: Medium severity. CVSS v3 base score is 6.5 out of 10.