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MFSA2017-20 Thunderbird: Security vulnerabilities fixed in Thunderbird 52.3 (CVE-2017-7803)

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MFSA2017-20 Thunderbird: Security vulnerabilities fixed in Thunderbird 52.3 (CVE-2017-7803)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
08/18/2017
Created
07/25/2018
Added
08/21/2017
Modified
07/31/2018

Description

When a page's content security policy (CSP) header contains a "sandbox" directive, other directives are ignored. This results in the incorrect enforcement of CSP. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

Solution(s)

  • mozilla-thunderbird-upgrade-52_3

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