CVEvulnerability
CVE-2020-6807
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-03-25
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-416
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.
Affected configurations
• mozilla firefox (< 74.0)
• mozilla firefox esr (< 68.6.0)
• mozilla thunderbird (< 68.6.0)
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 19.10
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1614971 Issue Tracking, Permissions Required
- https://usn.ubuntu.com/4328-1/ Third Party Advisory
- https://usn.ubuntu.com/4335-1/ Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-08/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-09/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-10/ Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1614971 Issue Tracking, Permissions Required
- https://usn.ubuntu.com/4328-1/ Third Party Advisory
- https://usn.ubuntu.com/4335-1/ Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-08/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-09/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-10/ Vendor Advisory