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 to bypass array bounds checking and access restricted data via malformed JSON pointer strings containing alphanumeric characters.

CVE-2025-57052 is fixed in 3 products on 1 platform, first by libcjson1 1.7.10-1.1ubuntu0.1~esm1, released September 3, 2025. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent
CVSS
9.8
critical
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0074
54th percentile

cjson - security update

Where it's fixed

ProductFixed inFixReleased
Linux
cJSON · opensuse-leap 16.0 1.7.19-160000.1.1 OPENSUSE-SU-2026:20340-1 Mar 11, 2026
cJSON · sles 15.7 1.7.19-150700.3.3.1 SUSE-SU-2025:03520-1 Oct 10, 2025
cjson · Debian 11.6 (bullseye) 1.7.14-1+deb11u3 DLA-4304-1 Sep 18, 2025
cjson · Debian 12.15 (bookworm) 1.7.15-1+deb12u4 DSA-6001-1 Sep 14, 2025
cjson · Debian 13.5 (trixie) 1.7.18-3.1+deb13u1 DSA-6001-1 Sep 14, 2025
cjson · Debian 14 1.7.19-1 DEBIAN-CVE-2025-57052 Sep 3, 2025
libcjson1 · Ubuntu 20.04 LTS (focal) 1.7.10-1.1ubuntu0.1~esm1 libcjson1 1.7.10-1.1ubuntu0.1~esm1 Sep 3, 2025
libcjson1 · Ubuntu 22.04.1 LTS (jammy) 1.7.15-1ubuntu0.1 libcjson1 1.7.15-1ubuntu0.1 Sep 3, 2025
libcjson1 · Ubuntu 24.04.5 LTS (noble) 1.7.17-1ubuntu0.1~esm3 libcjson1 1.7.17-1ubuntu0.1~esm3 Sep 3, 2025
libcjson1 · Ubuntu 25.10 (questing) 1.7.18-3.1ubuntu0.1 libcjson1 1.7.18-3.1ubuntu0.1 Sep 3, 2025

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.