CVE-2025-57052
cjson - security update
9.8
CRITICAL
CVSS 3.1
EPSS 0.27%
Description
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.
How to fix CVE-2025-57052
To remediate CVE-2025-57052, upgrade the affected package to a fixed version below.
- —upgrade to 1.7.19-r0 or later
- —upgrade to 1.7.14-1+deb11u3 or later
- —upgrade to 1.7.14-1+deb11u3 or later
- —upgrade to 1.7.15-1+deb12u4 or later
Is CVE-2025-57052 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 1.7.19-r0
- from 0, < 1.7.14-1+deb11u3
- from 0, < 1.7.14-1+deb11u3
- from 0, < 1.7.15-1+deb12u4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |