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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CISA-ADPADP
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 33%
VendorProductVersion
davegamblecjson
1.5.0 ≤
𝑥
≤ 1.7.18
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
cjson
bullseye
vulnerable
bullseye (security)
1.7.14-1+deb11u3
fixed
bookworm
vulnerable
bookworm (security)
1.7.15-1+deb12u4
fixed
trixie
vulnerable
trixie (security)
1.7.18-3.1+deb13u1
fixed
forky
vulnerable
sid
vulnerable
Common Weakness Enumeration
References
https://x-0r.com/posts/cJSON-Array-Index-Parsing-Vulnerability