CVE-2021-38492

CVE-2021-38492: vulnerability in Mozilla Firefox

Published 03 Nov 2021 · Updated 04 Aug 2024

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3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 1.2%

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.

Affected products

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1721107 https://security.gentoo.org/glsa/202208-14 https://www.mozilla.org/security/advisories/mfsa2021-38/https://www.mozilla.org/security/advisories/mfsa2021-39/https://www.mozilla.org/security/advisories/mfsa2021-40/https://www.mozilla.org/security/advisories/mfsa2021-41/https://www.mozilla.org/security/advisories/mfsa2021-42/