CVE-2020-36320: Uncontrolled Resource Consumption

April 19, 2021 (updated April 26, 2021)

Unsafe validation RegEx in EmailValidator class in com.vaadin:vaadin-server versions 7.0.0 through 7.7.21 (Vaadin 7.0.0 through 7.7.21) allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.

References

github.com/advisories/GHSA-42j4-733x-5vcf
github.com/vaadin/framework/issues/7757
github.com/vaadin/framework/pull/12104
github.com/vaadin/framework/security/advisories/GHSA-42j4-733x-5vcf
nvd.nist.gov/vuln/detail/CVE-2020-36320
vaadin.com/security/cve-2020-36320

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