vulnerability
MFSA2020-50 Firefox: Security Vulnerabilities fixed in Firefox 83 (CVE-2020-26967)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Nov 17, 2020 | Nov 18, 2020 | Dec 14, 2020 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Nov 17, 2020
Added
Nov 18, 2020
Modified
Dec 14, 2020
Description
When listening for page changes with a Mutation Observer, a malicious web page could confuse Firefox Screenshots into interacting with elements other than those that it injected into the page. This would lead to internal errors and unexpected behavior in the Screenshots code. This vulnerability affects Firefox < 83.
Solution
mozilla-firefox-upgrade-83_0
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