How severe is CVE-2015-1222?

CVE-2015-1222 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2015-1222 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-1222?

CVE-2015-1222 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-1222?

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-2015-1222 published?

CVE-2015-1222 was published on 2015-03-09 and last updated on 2026-06-17.

CVE-2015-1222

CVE-2015-1222 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: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Google Chrome
Published: 2015-03-09
Last modified: 2026-06-17

Description

Multiple use-after-free vulnerabilities in the ServiceWorkerScriptCacheMap implementation in content/browser/service_worker/service_worker_script_cache_map.cc in Google Chrome before 41.0.2272.76 allow remote attackers to cause a denial of service or possibly have unspecified other impact via vectors that trigger a ServiceWorkerContextWrapper::DeleteAndStartOver call, related to the NotifyStartedCaching and NotifyFinishedCaching functions.

Frequently asked questions

What is CVE-2015-1222?: Multiple use-after-free vulnerabilities in the ServiceWorkerScriptCacheMap implementation in content/browser/service_worker/service_worker_script_cache_map.cc in Google Chrome before 41.0.2272.76 allow remote attackers to cause a denial of service or possibly have unspecified other impact via vectors that trigger a ServiceWorkerContextWrapper::DeleteAndStartOver call, related to the NotifyStartedCaching and NotifyFinishedCaching functions.
How severe is CVE-2015-1222?: CVE-2015-1222 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2015-1222 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-1222?: CVE-2015-1222 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-1222?: 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-2015-1222 published?: CVE-2015-1222 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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