CVE-2026-86318

Summary

A flaw has been found in java-json-tools json-patch up to 1.13. Affected is the function JsonMergePatch.fromJson of the file JsonMergePatchDeserializer.java. Executing a manipulation can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected Software

VendorProductVersion RangeStatus
java-json-toolsjson-patch1.0affected
java-json-toolsjson-patch1.1affected
java-json-toolsjson-patch1.2affected
java-json-toolsjson-patch1.3affected
java-json-toolsjson-patch1.4affected
java-json-toolsjson-patch1.5affected
java-json-toolsjson-patch1.6affected
java-json-toolsjson-patch1.7affected
java-json-toolsjson-patch1.8affected
java-json-toolsjson-patch1.9affected
java-json-toolsjson-patch1.10affected
java-json-toolsjson-patch1.11affected
java-json-toolsjson-patch1.12affected
java-json-toolsjson-patch1.13affected

Weaknesses

  • CWE-121: Stack-based Buffer Overflow
  • CWE-119: Memory Corruption

References