CVE-2020-15656

Summary

JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefox ESRunspecified < 78.1affected
MozillaFirefoxunspecified < 79affected
MozillaThunderbirdunspecified < 78.1affected

Weaknesses

  • Type confusion for special arguments in IonMonkey

ADP Enrichment

CVE Program Container

Additional References

References