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MFSA2022-05 Firefox: Security Vulnerabilities fixed in Firefox ESR 91.6 (CVE-2022-22759)

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MFSA2022-05 Firefox: Security Vulnerabilities fixed in Firefox ESR 91.6 (CVE-2022-22759)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
02/08/2022
Created
02/10/2022
Added
02/09/2022
Modified
01/04/2023

Description

If a document created a sandboxed iframe without <code>allow-scripts</code>, and subsequently appended an element to the iframe's document that e.g. had a JavaScript event handler - the event handler would have run despite the iframe's sandbox. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

Solution(s)

  • mozilla-firefox-esr-upgrade-91_6

References

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