vulnerability
Ubuntu: (Multiple Advisories) (CVE-2019-17016): Firefox vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Jan 8, 2020 | Jan 10, 2020 | Mar 27, 2026 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Jan 8, 2020
Added
Jan 10, 2020
Modified
Mar 27, 2026
Description
When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly rewrites a @namespace rule. This could allow for injection into certain types of websites resulting in data exfiltration. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.
Solutions
ubuntu-upgrade-firefoxubuntu-upgrade-thunderbird
References
Rapid7 Labs
2026 Global Threat Landscape Report
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