How severe is CVE-2011-1691?

CVE-2011-1691 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2011-1691 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1691?

CVE-2011-1691 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-1691?

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

When was CVE-2011-1691 published?

CVE-2011-1691 was published on 2011-04-15 and last updated on 2026-06-16.

CVE-2011-1691

CVE-2011-1691 is a medium-severity vulnerability in Google Chrome with a CVSS 2.0 base score of 5.0. 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-476.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Google Chrome
Published: 2011-04-15
Last modified: 2026-06-16

Description

The counterToCSSValue function in CSSComputedStyleDeclaration.cpp in the Cascading Style Sheets (CSS) implementation in WebCore in WebKit before r82222, as used in Google Chrome before 11.0.696.43 and other products, does not properly handle access to the (1) counterIncrement and (2) counterReset attributes of CSSStyleDeclaration data provided by a getComputedStyle method call, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via crafted JavaScript code.

Frequently asked questions

What is CVE-2011-1691?: The counterToCSSValue function in CSSComputedStyleDeclaration.cpp in the Cascading Style Sheets (CSS) implementation in WebCore in WebKit before r82222, as used in Google Chrome before 11.0.696.43 and other products, does not properly handle access to the (1) counterIncrement and (2) counterReset attributes of CSSStyleDeclaration data provided by a getComputedStyle method call, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via crafted JavaScript code.
How severe is CVE-2011-1691?: CVE-2011-1691 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-1691 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1691?: CVE-2011-1691 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-1691?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1691 published?: CVE-2011-1691 was published on 2011-04-15 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

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