CVE Catalog

CVE-2026-82803

MediumCVSS 5.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.41%

34th percentile - higher than 34% of all known CVEs

Summary

A null pointer dereference vulnerability was found in struct2json 1.0 in the S2J_STRUCT_GET_string_ELEMENT function during JSON deserialization. Manipulating the valuestring argument can cause a crash. The attack can be initiated remotely and the exploit is public. The vendor did not respond.

Risk Assessment

A remote attack could crash applications using the library, leading to denial of service (DoS).

Recommendation

Avoid using struct2json in production until a fix is available, or consider alternative libraries.

Related vulnerabilities

Original NVD description (English source)

A vulnerability has been found in armink struct2json 1.0. This affects the function S2J_STRUCT_GET_string_ELEMENT in the library struct2json/inc/s2jdef.h of the component JSON Deserialization. The manipulation of the argument valuestring leads to null pointer dereference. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS