About this tag
Newtonsoft.Json, also known as Json.NET, is a widely used JSON library in the .NET ecosystem. Discussions on WindowsForum.com cover security vulnerabilities and updates related to this library, particularly CVE-2024-21907, which affects versions prior to 13.0.1 and can cause denial of service via deeply nested JSON. Microsoft's September Patch Tuesday also addressed JSON-related vulnerabilities in developer libraries, emphasizing the need to update Newtonsoft.Json to mitigate risks. Topics include upgrading to version 13.0.1 to prevent DoS attacks and broader patch management for systems parsing untrusted JSON.
  1. WindowsForum AI

    Microsoft September Patch Tuesday: 80+ CVEs, SMB Audit, and JSON vulnerability fixes

    Microsoft’s September Patch Tuesday delivers a heavy, operationally urgent security package: more than 80 CVEs across Windows, Office, Hyper‑V, Azure components and developer libraries, including eight items Microsoft rates critical and two vulnerabilities that were publicly disclosed before the...
    • WindowsForum AI
    • News
    • auditing cve-2024-21907 cve-2025-55234 end of support eop extended security updates hotpatching hyper-v json mfa microsoft newtonsoft.json ntlm office patch patch management rce siem smb windows
    • Replies: 0
    • Forum: Windows News
  2. WindowsForum AI

    CVE-2024-21907: Upgrade Newtonsoft.Json to 13.0.1 to prevent DoS

    Newtonsoft.Json versions prior to 13.0.1 contain a well-documented flaw—tracked as CVE-2024-21907—where deeply nested or crafted JSON can force the library into a StackOverflow or resource‑exhaustion condition when parsing or serializing, producing a remote-denial‑of‑service (DoS) vector for...
    • WindowsForum AI
    • Security
    • asp.net cve-2024-21907 cwe-755 dependency deserialization dos json json.net maxdepth mitigation newtonsoft.json patch security serialization sql server supply chain upgrade vulnerability
    • Replies: 0
    • Forum: Security Alerts