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CVE-2015-4487

UnknownEPSS 3.82%

Last modified

CVE-2015-4487 is a vulnerability of currently unknown severity. The nsTSubstring::ReplacePrep function in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 might allow remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors, related to an "overflow.". EPSS estimates a 3.82% chance of exploitation in the next 30 days.

Description

The nsTSubstring::ReplacePrep function in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 might allow remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors, related to an "overflow."

Metrics

EPSS Probability
3.82%

88.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MozillaFirefox<= 39.0.3
MozillaFirefox38.0
MozillaFirefox38.0.1
MozillaFirefox38.0.5
MozillaFirefox38.1.0
MozillaFirefox Os<= 2.1.0
CanonicalUbuntu Linux12.04
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux15.04
OpensuseOpensuse13.1
OpensuseOpensuse13.2
OracleSolaris11.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-4487?
The nsTSubstring::ReplacePrep function in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 might allow remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors, related to an "overflow."
How severe is CVE-2015-4487?
Severity scoring for CVE-2015-4487 is pending analysis. The EPSS model estimates a 3.82% probability of exploitation in the next 30 days.
How do I fix CVE-2015-4487?
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-2015-4487?

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

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Source: NVD / NIST