Cjson Project: >> Cjson >> 1.2.1 Security Vulnerabilities
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.
CVSS Score
2.9
EPSS Score
0.0
Published
2025-05-23
cJSON before 1.7.11 allows out-of-bounds access, related to \x00 in a string literal.
CVSS Score
9.8
EPSS Score
0.006
Published
2019-05-09
cJSON before 1.7.11 allows out-of-bounds access, related to multiline comments.
CVSS Score
9.8
EPSS Score
0.007
Published
2019-05-09
Dave Gamble cJSON version 1.7.6 and earlier contains a CWE-772 vulnerability in cJSON library that can result in Denial of Service (DoS). This attack appear to be exploitable via If the attacker can force the data to be printed and the system is in low memory it can force a leak of memory. This vulnerability appears to have been fixed in 1.7.7.
CVSS Score
7.5
EPSS Score
0.007
Published
2018-08-20
Dave Gamble cJSON version 1.7.2 and earlier contains a CWE-415: Double Free vulnerability in cJSON library that can result in Possible crash or RCE. This attack appear to be exploitable via Attacker must be able to force victim to print JSON data, depending on how cJSON library is used this could be either local or over a network. This vulnerability appears to have been fixed in 1.7.3.
CVSS Score
8.8
EPSS Score
0.004
Published
2018-08-20
Dave Gamble cJSON version 1.7.3 and earlier contains a CWE-416: Use After Free vulnerability in cJSON library that can result in Possible crash, corruption of data or even RCE. This attack appear to be exploitable via Depends on how application uses cJSON library. If application provides network interface then can be exploited over a network, otherwise just local.. This vulnerability appears to have been fixed in 1.7.4.
CVSS Score
9.8
EPSS Score
0.005
Published
2018-08-20