CVE-2019-11759

Summary

An attacker could have caused 4 bytes of HMAC output to be written past the end of a buffer stored on the stack. This could be used by an attacker to execute arbitrary code or more likely lead to a crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefoxbefore 70affected
MozillaThunderbirdbefore 68.2affected
MozillaFirefox ESRbefore 68.2affected

Weaknesses

  • Stack buffer overflow in HKDF output

ADP Enrichment

CVE Program Container

Additional References

References