How severe is CVE-2011-2337?

CVE-2011-2337 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2011-2337 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2337?

CVE-2011-2337 affects Google Blink. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-2337?

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-2011-2337 published?

CVE-2011-2337 was published on 2019-11-07 and last updated on 2026-06-16.

CVE-2011-2337

CVE-2011-2337 is a critical-severity vulnerability in Google Blink with a CVSS 3.x base score of 9.8. 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-704.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-704
Affected product: Google Blink
Published: 2019-11-07
Last modified: 2026-06-16

Description

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

Frequently asked questions

What is 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.
How severe is CVE-2011-2337?: CVE-2011-2337 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2011-2337 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2337?: CVE-2011-2337 affects Google Blink. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-2337?: 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-2011-2337 published?: CVE-2011-2337 was published on 2019-11-07 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:google:blink:*:*:*:*:*:chromium:x64:*

More vulnerabilities in Google Blink

CVE-2011-1460 — Critical (CVSS 9.8): WebKit in Google Chrome before Blink M11 contains a bad cast to RenderBlock when anonymous blocks are renderblocks.
CVE-2011-2335 — High (CVSS 7.5): A double-free vulnerability exists in WebKit in Google Chrome before Blink M12 in the WebCore::CSSSelector function.
CVE-2011-1298 — High (CVSS 7.5): An Integer Overflow exists in WebKit in Google Chrome before Blink M11 in the macOS WebCore::GraphicsContext::fillRect…
CVE-2011-1803 — Medium (CVSS 6.5): An issue exists in third_party/WebKit/Source/WebCore/svg/animation/SVGSMILElement.h in WebKit in Google Chrome before…
CVE-2011-1802 — Medium (CVSS 6.5): WebKit in Google Chrome before Blink M11 and M12 does not properly handle counter nodes, which allows remote attackers…
CVE-2011-2334 — Medium (CVSS 6.5): Use after free vulnerability exists in WebKit in Google Chrome before Blink M12 in RenderLayerwhen removing elements…

All CVEs affecting Google Blink →

Other CWE-704 (Incorrect Type Conversion or Cast) vulnerabilities

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CVE-2025-41648 — Critical (CVSS 9.8): An unauthenticated remote attacker can bypass the login to the web application of the affected devices making it…
CVE-2025-41646 — Critical (CVSS 9.8): An unauthorized remote attacker can bypass the authentication of the affected software package by misusing an incorrect…
CVE-2021-33318 — Critical (CVSS 9.8): An Input Validation Vulnerability exists in Joel Christner .NET C# packages WatsonWebserver, IpMatcher 1.0.4.1 and…
CVE-2020-25576 — Critical (CVSS 9.8): An issue was discovered in the rand_core crate before 0.4.2 for Rust. Casting of byte slices to integer slices…
CVE-2020-6151 — Critical (CVSS 9.8): A memory corruption vulnerability exists in the TIFF handle_COMPRESSION_PACKBITS functionality of Accusoft ImageGear…

Browse all CWE-704 (Incorrect Type Conversion or Cast) vulnerabilities →