CVE-2015-4517

Name: CVE-2015-4517
Creator: NVD / NIST
Published: 2015-09-24T04:59:17.24+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.47%

Last modified Jun 17, 2026

CVE-2015-4517 is a vulnerability of currently unknown severity. NetworkUtils.cpp in Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 might allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via unknown vectors.. EPSS estimates a 3.47% chance of exploitation in the next 30 days.

Description

NetworkUtils.cpp in Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 might allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via unknown vectors.

Metrics

EPSS Probability

3.47%

87.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	<= 40.0.3
Mozilla	Firefox	38.0
Mozilla	Firefox	38.0.1
Mozilla	Firefox	38.0.5
Mozilla	Firefox	38.1.0
Mozilla	Firefox	38.1.1
Mozilla	Firefox	38.2.0
Mozilla	Firefox	38.2.1

References

Timeline

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

Frequently Asked Questions

What is CVE-2015-4517?

How severe is CVE-2015-4517?

Severity scoring for CVE-2015-4517 is pending analysis. The EPSS model estimates a 3.47% probability of exploitation in the next 30 days.

How do I fix CVE-2015-4517?

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-2015-4517?

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

Scan your code now

Source: NVD / NIST