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30 June 2026

Vulnerabilities first published on this day (UTC), newest first.

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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
  • Medium 6.9
    CVE-2026-10817 Public exploit

    Insufficient input validation leading to memory overread

    Insufficient input validation leading to memory overread in NetScaler ADC and NetScaler Gateway if the TCP TimeStamp is enabled in TCP Profile and is associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler

    NetScaler ADC Gateway