CVE-2021-46877

jackson-databind 2.10.x through 2.12.x before 2.12.6 and 2.13.x before 2.13.1 allows attackers to cause a denial of service (2 GB transient heap usage per read) in uncommon situations involving JsonNode JDK serialization.

• CWE-770
• CWE-770

• https://github.com/FasterXML/jackson-databind/issues/3328Exploit, Issue Tracking, Vendor Advisory
• https://groups.google.com/g/jackson-user/c/OsBsirPM_VwMailing List, Release Notes
• https://github.com/FasterXML/jackson-databind/issues/3328Exploit, Issue Tracking, Vendor Advisory
• https://groups.google.com/g/jackson-user/c/OsBsirPM_VwMailing List, Release Notes

Published

Mar 18, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

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