CVE-2020-6807

high

Description

When a device was changed while a stream was about to be destroyed, the <code>stream-reinit</code> task may have been executed after the stream was destroyed, causing a use-after-free and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.

References

https://www.mozilla.org/security/advisories/mfsa2020-10/

https://www.mozilla.org/security/advisories/mfsa2020-09/

https://www.mozilla.org/security/advisories/mfsa2020-08/

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

https://usn.ubuntu.com/4328-1/

https://bugzilla.mozilla.org/show_bug.cgi?id=1614971

Details

Source: Mitre, NVD

Published: 2020-03-25

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