CVE-2026-54900

CVE-2026-54900

Oj (Optimized JSON) is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.2, when in usual mode with create_id enabled, Oj::Parser#parse is vulnerable to heap corruption via a negative-size memcpy. When a…

Vulnerability class: Integer Overflow

Weakness classification (CWE)

References