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Debian: CVE-2019-11761: firefox-esr, thunderbird -- security update

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Debian: CVE-2019-11761: firefox-esr, thunderbird -- security update

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
10/28/2019
Created
10/29/2019
Added
10/28/2019
Modified
02/10/2020

Description

By using a form with a data URI it was possible to gain access to the privileged JSONView object that had been cloned into content. Impact from exposing this object appears to be minimal, however it was a bypass of existing defense in depth mechanisms. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

Solution(s)

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

References

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