What is CVE-2025-57052?

CVE-2025-57052 is a critical-severity vulnerability in Davegamble Cjson, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2025-09-03.

How severe is CVE-2025-57052?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-57052 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Out-of-bounds Read in Davegamble Cjson

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 strin…

Vulnerability class: Buffer Overflow

EPSS: 0.007 (48.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Davegamble Cjson
N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

cve@mitre.org (Exploit)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2025-57052?: CVE-2025-57052 is a critical-severity vulnerability in Davegamble Cjson, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2025-09-03.
How severe is CVE-2025-57052?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-57052 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.