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CVE-2015-4492

UnknownEPSS 5.05%

Last modified

CVE-2015-4492 is a vulnerability of currently unknown severity. Use-after-free vulnerability in the XMLHttpRequest::Open implementation in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 might allow remote attackers to execute arbitrary code via a SharedWorker object that makes recursive calls to the open method of an XMLHttpRequest object.. EPSS estimates a 5.05% chance of exploitation in the next 30 days.

Description

Use-after-free vulnerability in the XMLHttpRequest::Open implementation in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 might allow remote attackers to execute arbitrary code via a SharedWorker object that makes recursive calls to the open method of an XMLHttpRequest object.

Metrics

EPSS Probability
5.05%

91.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
OracleSolaris11.3
MozillaFirefox<= 39.0.3
MozillaFirefox38.0
MozillaFirefox38.0.1
MozillaFirefox38.0.5
MozillaFirefox38.1.0
CanonicalUbuntu Linux12.04
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux15.04
OpensuseOpensuse13.1
OpensuseOpensuse13.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-4492?
Use-after-free vulnerability in the XMLHttpRequest::Open implementation in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 might allow remote attackers to execute arbitrary code via a SharedWorker object that makes recursive calls to the open method of an XMLHttpRequest object.
How severe is CVE-2015-4492?
Severity scoring for CVE-2015-4492 is pending analysis. The EPSS model estimates a 5.05% probability of exploitation in the next 30 days.
How do I fix CVE-2015-4492?
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-2015-4492?

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

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Source: NVD / NIST