Product · ohler55

oj

11 known vulnerabilities.

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Medium 6.3

CVE-2026-54900 Public exploit

Oj: Negative-Size memcpy in Oj::Parser create_id Attribute Handling

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 JSON object key is …

ohler55 oj ruby3.4-kube-logging-operator-fluentd-outputs ruby3.2-kube-logging-operator-fluentd-outputs Debian Ubuntu Wolfi RubyGems

Jun 30, 2026