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Null pointer passed to memcpy in print_key when JSON key is empty string

Status: Open.

#84 In cesanta/frozen;

· AhmedShAli24 opened on Apr 21, 2026

json_prettify stack overflows on deeply nested arrays — no recursion limit

Status: Open.

#83 In cesanta/frozen;

· AhmedShAli24 opened on Apr 21, 2026

json_scanf crashes on valid JSON with empty string key in nested object

Status: Open.

#82 In cesanta/frozen;

· AhmedShAli24 opened on Apr 21, 2026

Stack buffer overflow in json_vscanf() when nesting depth in fmt exceeds JSON_MAX_PATH_LEN

Status: Open.

#81 In cesanta/frozen;

· constantinctrlaltdelete opened on Mar 8, 2026

O(n^2) complexity in json_next_elem

Status: Open.

#80 In cesanta/frozen;

· numo68 opened on Jan 30, 2026

Missing entry if key-name ends with dot

Status: Open.

#74 In cesanta/frozen;

· j-moeller opened on Sep 11, 2023

Release a new version

Status: Open.

#72 In cesanta/frozen;

· thillux opened on Aug 10, 2023

Function json_vfprintf convert {"three":2,"two":2,"one":2} to {""three"":1,""two"":1,""one"":1}

Status: Open.

#69 In cesanta/frozen;

· RafalConnectIQ opened on Feb 7, 2023

how to handle nested json

Status: Open.

#68 In cesanta/frozen;

· marchingband opened on Jan 30, 2023

json_sprinter reduce number of reallocations

Status: Open.

#66 In cesanta/frozen;

· ddario opened on Feb 16, 2022

Difference between MJSON and Frozen?

Status: Open.

#65 In cesanta/frozen;

· Harvie opened on Jun 9, 2021

Lots of cppcheck warnings

Status: Open.

#63 In cesanta/frozen;

· Harvie opened on Dec 5, 2020