Issues

• json_scanf with %V allocates exceeded memory

  cesanta/frozen#86 · Filter by author OscarMcCain opened on Sep 24, 2026

• Heap out-of-bounds read in json_get_escape_len on a trailing backslash

  cesanta/frozen#85 · Filter by author eobi opened on Jul 26, 2026

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

  cesanta/frozen#84 · Filter by author AhmedShAli24 opened on Apr 21, 2026

• json_prettify stack overflows on deeply nested arrays — no recursion limit

  cesanta/frozen#83 · Filter by author AhmedShAli24 opened on Apr 21, 2026

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

  cesanta/frozen#82 · Filter by author AhmedShAli24 opened on Apr 21, 2026

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

  cesanta/frozen#81 · Filter by author constantinctrlaltdelete opened on Mar 8, 2026

• O(n^2) complexity in json_next_elem

  cesanta/frozen#80 · Filter by author numo68 opened on Jan 30, 2026
  2

• Missing entry if key-name ends with dot

  cesanta/frozen#74 · Filter by author j-moeller opened on Sep 11, 2023
  1

• Release a new version

  cesanta/frozen#72 · Filter by author thillux opened on Aug 10, 2023

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

  cesanta/frozen#69 · Filter by author RafalConnectIQ opened on Feb 7, 2023

• how to handle nested json

  cesanta/frozen#68 · Filter by author marchingband opened on Jan 30, 2023
  1

• json_sprinter reduce number of reallocations

  cesanta/frozen#66 · Filter by author ddario opened on Feb 16, 2022
  1

• Difference between MJSON and Frozen?

  cesanta/frozen#65 · Filter by author Harvie opened on Jun 9, 2021
  3

• Lots of cppcheck warnings

  cesanta/frozen#63 · Filter by author Harvie opened on Dec 5, 2020

• frozen release with Apache License, Version 2.0

  cesanta/frozen#62 · Filter by author mindongz opened on Sep 18, 2020

• frozen 1.6 with Apache commons 2.0 dual licence

  cesanta/frozen#60 · Filter by author arnehaber opened on Sep 16, 2020
  4

• Print array of structs to JSON (or nested/twodimensional array)

  cesanta/frozen#58 · Filter by author Harvie opened on Jun 1, 2020
  1

• Scanf string using scanset (character class)

  cesanta/frozen#57 · Filter by author Harvie opened on Jan 23, 2020

• JSON5-style Comments?

  cesanta/frozen#55 · Filter by author Harvie opened on Jan 3, 2020

• json_scanf: only first object gets parsed

  cesanta/frozen#54 · Filter by author Rio6 opened on Nov 23, 2019
  1

• Can't parse json array

  cesanta/frozen#53 · Filter by author ssaguiar opened on Nov 13, 2019
  1

• json_printf_array with "%f" does not work

  cesanta/frozen#52 · Filter by author jkent opened on Jun 14, 2019

• json_scanf does not work when the key is an integer

  cesanta/frozen#50 · Filter by author KrrishnaShah opened on Mar 2, 2019
  2

• Some bugs in frozen

  cesanta/frozen#49 · Filter by author yuweol opened on Jan 4, 2019

• ESP8266

  cesanta/frozen#46 · Filter by author denden4444 opened on Dec 7, 2018
  1