CVE-2020-12405

LOW

Description

When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1631618

https://usn.ubuntu.com/4421-1/

https://www.mozilla.org/security/advisories/mfsa2020-20/

https://www.mozilla.org/security/advisories/mfsa2020-21/

https://www.mozilla.org/security/advisories/mfsa2020-22/

Details

Source: MITRE

Published: 2020-07-09

Updated: 2020-07-22

Type: CWE-416

Risk Information

CVSS v2.0

Base Score: 2.6

Vector: AV:N/AC:H/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 4.9

Severity: LOW

CVSS v3.0

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1.6

Severity: MEDIUM