CVE-2021-38500

Summary

Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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 Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.

Affected Software

VendorProductVersion RangeStatus
MozillaThunderbirdunspecified < 78.15affected
MozillaThunderbirdunspecified < 91.2affected
MozillaFirefox ESRunspecified < 91.2affected
MozillaFirefox ESRunspecified < 78.15affected
MozillaFirefoxunspecified < 93affected

Weaknesses

  • Memory safety bugs fixed in Firefox 93, Firefox ESR 78.15, and Firefox ESR 91.2

ADP Enrichment

CVE Program Container

Additional References

References