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MFSA2022-06 Thunderbird: Security Vulnerabilities fixed in Thunderbird 91.6 (CVE-2022-22760)

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MFSA2022-06 Thunderbird: Security Vulnerabilities fixed in Thunderbird 91.6 (CVE-2022-22760)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
02/08/2022
Created
02/18/2022
Added
02/17/2022
Modified
01/04/2023

Description

When importing resources using Web Workers, error messages would distinguish the difference between <code>application/javascript</code> responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

Solution(s)

  • mozilla-thunderbird-upgrade-91_6

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