How severe is CVE-2011-2855?

CVE-2011-2855 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2011-2855 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2855?

CVE-2011-2855 primarily affects Google Chrome. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2855?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-2855 published?

CVE-2011-2855 was published on 2011-09-19 and last updated on 2026-06-16.

CVE-2011-2855

CVE-2011-2855 is a medium-severity vulnerability in Google Chrome with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-74.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Google Chrome
Published: 2011-09-19
Last modified: 2026-06-16

Description

Google Chrome before 14.0.835.163 does not properly handle Cascading Style Sheets (CSS) token sequences, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that lead to a "stale node."

Frequently asked questions

What is CVE-2011-2855?: Google Chrome before 14.0.835.163 does not properly handle Cascading Style Sheets (CSS) token sequences, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that lead to a "stale node."
How severe is CVE-2011-2855?: CVE-2011-2855 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2011-2855 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2855?: CVE-2011-2855 primarily affects Google Chrome. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2855?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-2855 published?: CVE-2011-2855 was published on 2011-09-19 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

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