CVE-2024-21907: Newtonsoft Json.net

High severity, CVSS 7.5. EPSS: 32.9% chance of exploitation in the next 30 days.

Newtonsoft.Json before version 13.0.1 is affected by a mishandling of exceptional conditions vulnerability. Crafted data that is passed to the JsonConvert.DeserializeObject method may trigger a StackOverflow exception resulting in denial of service. Depending on the usage of the library, an unauthenticated and remote attacker may be able to cause the denial of service condition.

Affected products

• Newtonsoft Json.net: before 13.0.1 (fixed in 13.0.1)

Published 2024-01-03. Last modified 2026-07-14.