cve-2024-21907

About this tag
CVE-2024-21907 is a security vulnerability in Newtonsoft.Json (Json.NET) versions prior to 13.0.1 that can lead to a denial-of-service (DoS) condition when parsing or serializing deeply nested or crafted JSON. This flaw, which can cause a StackOverflow or resource exhaustion, poses a risk for applications that accept untrusted JSON input. Microsoft's September 2024 Patch Tuesday addressed this issue, among over 80 CVEs, highlighting the importance of updating to Newtonsoft.Json 13.0.1 to mitigate the DoS vector. The vulnerability is particularly relevant for .NET developers and IT administrators managing systems that rely on JSON parsing.

  1. September Patch Tuesday: 81 fixes, two zero-days; Windows 10 ends soon, Windows 11 gains

    Microsoft's September Patch Tuesday delivers a heavy dose of security fixes for both Windows 10 and Windows 11 — including two publicly disclosed zero-days — but reserves the most visible user-facing improvements for Windows 11, reinforcing that Windows 10 is now in its final maintenance phase...
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    • ai features authentication click to do copilot cve-2024-21907 cve-2025-55234 end of support esu newtonsoft-json patch privacy recall feature relay attacks security updates smb sql server windows 10 windows 11 windows hello zero-day
    • Replies: 0
    • Forum: Windows News

  2. 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...
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    • 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

  3. 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...
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    • 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
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    • Forum: Security Alerts