CVE-2019-11759

HIGH8.8

An attacker could have caused 4 bytes of HMAC output to be written past the end of a buffer stored on the stack

Published Jan 8, 2020

Modified 1 years ago

Details

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

WEB

https://bugzilla.mozilla.org/show_bug.cgi?id=1577953

ADVISORY

https://security.gentoo.org/glsa/202003-10

ADVISORY

https://usn.ubuntu.com/4335-1/

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2019-11759

WEB

https://www.mozilla.org/security/advisories/mfsa2019-33/

WEB