How severe is CVE-2015-4510?

CVE-2015-4510 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2015-4510 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4510?

CVE-2015-4510 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-4510?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-4510 published?

CVE-2015-4510 was published on 2015-09-24 and last updated on 2026-06-17.

CVE-2015-4510

CVE-2015-4510 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 6.8. 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-362.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-362
Affected product: Mozilla Firefox
Published: 2015-09-24
Last modified: 2026-06-17

Description

Race condition in the WorkerPrivate::NotifyFeatures function in Mozilla Firefox before 41.0 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and application crash) by leveraging improper interaction between shared workers and the IndexedDB implementation.

Frequently asked questions

What is CVE-2015-4510?: Race condition in the WorkerPrivate::NotifyFeatures function in Mozilla Firefox before 41.0 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and application crash) by leveraging improper interaction between shared workers and the IndexedDB implementation.
How severe is CVE-2015-4510?: CVE-2015-4510 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2015-4510 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4510?: CVE-2015-4510 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-4510?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-4510 published?: CVE-2015-4510 was published on 2015-09-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

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