How severe is CVE-2015-1221?

CVE-2015-1221 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2015-1221 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-1221?

CVE-2015-1221 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-1221?

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-2015-1221 published?

CVE-2015-1221 was published on 2015-03-09 and last updated on 2026-06-17.

CVE-2015-1221

CVE-2015-1221 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.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Google Chrome
Published: 2015-03-09
Last modified: 2026-06-17

Description

Use-after-free vulnerability in Blink, as used in Google Chrome before 41.0.2272.76, allows remote attackers to cause a denial of service or possibly have unspecified other impact by leveraging incorrect ordering of operations in the Web SQL Database thread relative to Blink's main thread, related to the shutdown function in web/WebKit.cpp.

Frequently asked questions

What is CVE-2015-1221?: Use-after-free vulnerability in Blink, as used in Google Chrome before 41.0.2272.76, allows remote attackers to cause a denial of service or possibly have unspecified other impact by leveraging incorrect ordering of operations in the Web SQL Database thread relative to Blink's main thread, related to the shutdown function in web/WebKit.cpp.
How severe is CVE-2015-1221?: CVE-2015-1221 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2015-1221 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-1221?: CVE-2015-1221 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-1221?: 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-2015-1221 published?: CVE-2015-1221 was published on 2015-03-09 and last updated on 2026-06-17.

References

Affected products (1)

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

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