CVE-2019-11758

high

Description

Mozilla community member Philipp reported a memory safety bug present in Firefox 68 when 360 Total Security was installed. This bug showed evidence of memory corruption in the accessibility engine and we presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox < 69, Thunderbird < 68.2, and Firefox ESR < 68.2.

References

https://www.mozilla.org/security/advisories/mfsa2019-35/

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

https://www.mozilla.org/security/advisories/mfsa2019-25/

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

https://bugzilla.mozilla.org/show_bug.cgi?id=1536227

Details

Source: Mitre, NVD

Published: 2020-01-08

Updated: 2022-04-22

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High