CVSS 3.1
5.3 mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:HCVE-2020-12405
Medium (5.3). EPSS 1.4% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 1.4% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-362, CWE-416
- Published
- Modified
- Record from
- the NVD, synced
Affected
- canonical:ubuntu_linux
- mozilla:firefox
- mozilla:firefox_esr
- mozilla:thunderbird