CVE-2021-38492

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.

Affected Platforms

Weakness Type

NVD-CWE-noinfo

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/