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MFSA2021-39 Firefox: Security Vulnerabilities fixed in Firefox ESR 78.14 (CVE-2021-38492)

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MFSA2021-39 Firefox: Security Vulnerabilities fixed in Firefox ESR 78.14 (CVE-2021-38492)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
09/07/2021
Created
09/08/2021
Added
09/08/2021
Modified
11/26/2021

Description

When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. *This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 92, Thunderbird < 91.1, Thunderbird < 78.14, Firefox ESR < 78.14, and Firefox ESR < 91.1.

Solution(s)

  • mozilla-firefox-esr-upgrade-78_14

References

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