CVE-2015-7327

Name: CVE-2015-7327
Creator: NVD / NIST
Published: 2015-09-24T04:59:29.317+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.77%

Last modified Jun 17, 2026

CVE-2015-7327 is a vulnerability of currently unknown severity. Mozilla Firefox before 41.0 does not properly restrict the availability of High Resolution Time API times, which allows remote attackers to track last-level cache access, and consequently obtain sensitive information, via crafted JavaScript code that makes performance.now calls.. EPSS estimates a 1.77% chance of exploitation in the next 30 days.

Description

Mozilla Firefox before 41.0 does not properly restrict the availability of High Resolution Time API times, which allows remote attackers to track last-level cache access, and consequently obtain sensitive information, via crafted JavaScript code that makes performance.now calls.

Metrics

EPSS Probability

1.77%

75.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	<= 40.0.3

References

Timeline

Published: Sep 24, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-7327?

How severe is CVE-2015-7327?

Severity scoring for CVE-2015-7327 is pending analysis. The EPSS model estimates a 1.77% probability of exploitation in the next 30 days.

How do I fix CVE-2015-7327?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-7327?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST