Strix
26.1K

CVE-2015-2731

UnknownEPSS 5.79%

Last modified

CVE-2015-2731 is a vulnerability of currently unknown severity. Use-after-free vulnerability in the CSPService::ShouldLoad function in the microtask implementation in Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 allows remote attackers to execute arbitrary code by leveraging client-side JavaScript that triggers removal of a DOM object on the basis of a Content Policy.. EPSS estimates a 5.79% chance of exploitation in the next 30 days.

Description

Use-after-free vulnerability in the CSPService::ShouldLoad function in the microtask implementation in Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 allows remote attackers to execute arbitrary code by leveraging client-side JavaScript that triggers removal of a DOM object on the basis of a Content Policy.

Metrics

EPSS Probability
5.79%

92.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
MozillaFirefox<= 38.1.0
MozillaThunderbird<= 38.0.1
OracleSolaris11.3
MozillaFirefox31.0
MozillaFirefox31.1.0
MozillaFirefox31.1.1
MozillaFirefox31.3.0
MozillaFirefox31.5.1
MozillaFirefox31.5.2
MozillaFirefox31.5.3
MozillaFirefox38.0
MozillaFirefox Esr31.1
MozillaFirefox Esr31.2
MozillaFirefox Esr31.3
MozillaFirefox Esr31.4
MozillaFirefox Esr31.5
MozillaFirefox Esr31.6.0
MozillaFirefox Esr31.7.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-2731?
Use-after-free vulnerability in the CSPService::ShouldLoad function in the microtask implementation in Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 allows remote attackers to execute arbitrary code by leveraging client-side JavaScript that triggers removal of a DOM object on the basis of a Content Policy.
How severe is CVE-2015-2731?
Severity scoring for CVE-2015-2731 is pending analysis. The EPSS model estimates a 5.79% probability of exploitation in the next 30 days.
How do I fix CVE-2015-2731?
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-2015-2731?

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

Scan your code now

Source: NVD / NIST