CVE-2015-4487

CVE-2015-4487 describes a memory corruption vulnerability in the nsTSubstring::ReplacePrep function affecting Mozilla Firefox, Firefox ESR, and Firefox OS. This flaw, categorized as CWE-119, could allow a remote attacker to cause a denial of service or potentially other unspecified impacts. With a CVSS score of 7.5, it is considered high severity due to its network-based attack vector and low attack complexity, potentially leading to partial confidentiality, integrity, and availability impacts. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.