CVE-2014-1721

CVE-2014-1721 is a high-severity vulnerability in Google Chrome with a CVSS 2.0 base score of 7.5. 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

Description

Google V8, as used in Google Chrome before 34.0.1847.116, does not properly implement lazy deoptimization, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via crafted JavaScript code, as demonstrated by improper handling of a heap allocation of a number outside the Small Integer (aka smi) range.

Frequently asked questions

What is CVE-2014-1721?
Google V8, as used in Google Chrome before 34.0.1847.116, does not properly implement lazy deoptimization, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via crafted JavaScript code, as demonstrated by improper handling of a heap allocation of a number outside the Small Integer (aka smi) range.
How severe is CVE-2014-1721?
CVE-2014-1721 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2014-1721 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-2014-1721?
CVE-2014-1721 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-1721?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2014-1721 published?
CVE-2014-1721 was published on 2014-04-09 and last updated on 2026-06-17.

References

Affected products (1)

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