Description
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 products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| java-json-tools | json-patch | 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11, 1.12, 1.13 | — |
References
- VDB-399509 | java-json-tools json-patch JsonMergePatchDeserializer.java JsonMergePatch.fromJson stack-based overflow vdb-entry technical-description
- VDB-399509 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-86318 | CVE Analysis and Report third-party-advisory
- Submit #908319 | java-json-tools json-patch 1.13 Stack Overflow DoS via Uncontrolled Recursion third-party-advisory
- https://github.com/java-json-tools/json-patch/issues/168 exploit issue-tracking patch
- https://github.com/java-json-tools/json-patch/ patch product