How severe is CVE-2011-1290?

CVE-2011-1290 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2011-1290 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1290?

CVE-2011-1290 primarily affects Apple Webkit. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1290?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2011-1290 published?

CVE-2011-1290 was published on 2011-03-11 and last updated on 2026-06-16.

CVE-2011-1290

CVE-2011-1290 is a critical-severity vulnerability in Apple Webkit with a CVSS 2.0 base score of 10.0. 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-189.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Apple Webkit
Published: 2011-03-11
Last modified: 2026-06-16

Description

Integer overflow in WebKit, as used on the Research In Motion (RIM) BlackBerry Torch 9800 with firmware 6.0.0.246, in Google Chrome before 10.0.648.133, and in Apple Safari before 5.0.5, allows remote attackers to execute arbitrary code via unknown vectors related to CSS "style handling," nodesets, and a length value, as demonstrated by Vincenzo Iozzo, Willem Pinckaers, and Ralf-Philipp Weinmann during a Pwn2Own competition at CanSecWest 2011.

Frequently asked questions

What is CVE-2011-1290?: Integer overflow in WebKit, as used on the Research In Motion (RIM) BlackBerry Torch 9800 with firmware 6.0.0.246, in Google Chrome before 10.0.648.133, and in Apple Safari before 5.0.5, allows remote attackers to execute arbitrary code via unknown vectors related to CSS "style handling," nodesets, and a length value, as demonstrated by Vincenzo Iozzo, Willem Pinckaers, and Ralf-Philipp Weinmann during a Pwn2Own competition at CanSecWest 2011.
How severe is CVE-2011-1290?: CVE-2011-1290 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-1290 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1290?: CVE-2011-1290 primarily affects Apple Webkit. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1290?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2011-1290 published?: CVE-2011-1290 was published on 2011-03-11 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:apple:webkit:*:*:*:*:*:*:*:*
cpe:2.3:a:rim:blackberry_torch_9800_firmware:6.0.0.246:*:*:*:*:*:*:*
cpe:2.3:h:rim:blackberry_torch_9800:*:*:*:*:*:*:*:*

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