CVE-2018-1000217

9.8 criticalEPSS 1.8%

Critical (9.8) in davegamble cjson. EPSS 1.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.8% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2018-08-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

davegamble:cjson

References

https://github.com/DaveGamble/cJSON/issues/248
https://github.com/DaveGamble/cJSON/issues/248

Check your stack JSON