CVE-2019-9813

Summary

Incorrect handling of proto mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write. This vulnerability affects Firefox < 66.0.1, Firefox ESR < 60.6.1, and Thunderbird < 60.6.1.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefoxunspecified < 66.0.1affected
MozillaFirefox ESRunspecified < 60.6.1affected
MozillaThunderbirdunspecified < 60.6.1affected

Weaknesses

  • Ionmonkey type confusion with proto mutations

ADP Enrichment

CVE Program Container

Additional References

References