CVE-2016-10521

CVE-2016-10521 describes a Regular Expression Denial of Service (ReDoS) vulnerability in the jshamcrest library, specifically within its emailAddress validator. This flaw allows an attacker to trigger a denial of service by providing specially crafted input to the validator. With a CVSS score of 7.5 (High), the vulnerability is easily exploitable over the network with low attack complexity, potentially leading to a complete denial of service for affected systems. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.