CVE-2021-23987

Summary

Mozilla developers and community members reported memory safety bugs present in Firefox 86 and Firefox ESR 78.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefox ESRunspecified < 78.9affected
MozillaFirefoxunspecified < 87affected
MozillaThunderbirdunspecified < 78.9affected

Weaknesses

  • Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9

ADP Enrichment

CVE Program Container

Additional References

References