Detections
Analytics
CVE-2019-11759
high
Description
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.
References
https://www.mozilla.org/security/advisories/mfsa2019-35/
https://www.mozilla.org/security/advisories/mfsa2019-34/
https://www.mozilla.org/security/advisories/mfsa2019-33/
https://usn.ubuntu.com/4335-1/