CVEvulnerability
CVE-2020-12405
5.3 MEDIUM
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- Status
- Modified
- Published
- 2020-07-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 2.6 LOW — AV:N/AC:H/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-362, CWE-416
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.
Affected configurations
• mozilla firefox (< 77.0)
• mozilla firefox esr (< 68.9.0)
• mozilla thunderbird (< 68.9.0)
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 19.10
• canonical ubuntu linux 20.04
Related
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1631618 Exploit, Issue Tracking, Vendor Advisory
- https://usn.ubuntu.com/4421-1/ Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-20/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-21/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-22/ Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1631618 Exploit, Issue Tracking, Vendor Advisory
- https://usn.ubuntu.com/4421-1/ Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-20/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-21/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-22/ Vendor Advisory