CVE-2015-4507

CVE-2015-4507 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 5.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The SavedStacks class in the JavaScript implementation in Mozilla Firefox before 41.0, when the Debugger API is enabled, allows remote attackers to cause a denial of service (getSlotRef assertion failure and application exit) or possibly execute arbitrary code via a crafted web site.

Frequently asked questions

What is CVE-2015-4507?
The SavedStacks class in the JavaScript implementation in Mozilla Firefox before 41.0, when the Debugger API is enabled, allows remote attackers to cause a denial of service (getSlotRef assertion failure and application exit) or possibly execute arbitrary code via a crafted web site.
How severe is CVE-2015-4507?
CVE-2015-4507 has a CVSS 2.0 base score of 5.1, rated medium severity.
Is CVE-2015-4507 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4507?
CVE-2015-4507 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-4507?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-4507 published?
CVE-2015-4507 was published on 2015-09-24 and last updated on 2026-06-17.

References

Affected products (1)

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