Incorrect implementation of lockout feature in Keycloak

Description

References

• nvd.nist.gov/vuln/detail/CVE-2021-3513 · ADVISORY
• keycloak/keycloak#7976 · WEB
• access.redhat.com/security/cve/CVE-2021-3513 · WEB
• bugzilla.redhat.com/show_bug.cgi · WEB
• keycloak/keycloak · PACKAGE

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