UbuntuUpdates.org

Package "libcjson-dev"

Name: libcjson-dev

Description:

Ultralightweight JSON parser in ANSI C (development files)
Latest version: 1.7.15-1ubuntu0.1
Release: jammy (22.04)
Level: security
Repository: universe
Head package: cjson
Homepage: https://github.com/DaveGamble/cJSON

Links

All versions of this package
Bug fixes

List of files in package
Repository home page

Download "libcjson-dev"

32-bit deb package
64-bit deb package
APT INSTALL

Other versions of "libcjson-dev" in Jammy

Repository Area Version
base universe 1.7.15-1
updates universe 1.7.15-1ubuntu0.1

Changelog

Version: 1.7.15-1ubuntu0.1 2026-01-26 07:59:24 UTC

  cjson (1.7.15-1ubuntu0.1) jammy-security; urgency=medium

  * SECURITY UPDATE: denial of service when parsing large numbers
    - debian/patches/CVE-2023-26819.patch: allocate dynamic memory for
      temporary buffer instead of using fixed 64-byte stack buffer in
      parse_number() function in cJSON.c
    - CVE-2023-26819

  * SECURITY UPDATE: heap buffer overflow in parse_string function
    - debian/patches/CVE-2023-53154.patch: add bounds checking in
      parse_string() to prevent out-of-bounds read when parsing JSON
      strings without null terminators
    - CVE-2023-53154

  * SECURITY UPDATE: Out-of-bounds memory access
    - debian/patches/CVE-2025-57052.patch: fix the incorrect check in
      decode_array_index_from_pointer
    - CVE-2025-57052

 -- Shishir Subedi <email address hidden> Wed, 21 Jan 2026 14:12:11 +0545
CVE-2023-26819 cJSON 1.7.15 might allow a denial of service via a crafted JSON document such as {"a": true, "b": [ null,99999999999999999999999999999999999999999999
CVE-2023-53154 parse_string in cJSON before 1.7.18 has a heap-based buffer over-read via {"1":1, with no trailing newline if cJSON_ParseWithLength is called.
CVE-2025-57052 cJSON 1.5.0 through 1.7.18 allows out-of-bounds access via the decode_array_index_from_pointer function in cJSON_Utils.c, allowing remote attackers t


About   -   Send Feedback to @ubuntu_updates