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Debian: CVE-2019-17016: firefox-esr, thunderbird -- security update

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Debian: CVE-2019-17016: firefox-esr, thunderbird -- security update

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
01/08/2020
Created
01/14/2020
Added
01/13/2020
Modified
02/10/2020

Description

When pasting a &lt;style&gt; 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.

Solution(s)

  • debian-upgrade-firefox-esr
  • debian-upgrade-thunderbird

References

  • debian-upgrade-firefox-esr
  • debian-upgrade-thunderbird

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