Dave Gamble cJSON version 1.7.3 and earlier contains a CWE-416: Use After Free…
Priority MEDIUM 46CWE-416Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.01753 78th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:davegamble:cjson:*:*:*:*:*:*:*:* | before 1.7.4 | Vulnerable | DaveGamble |
- cpe:2.3:a:davegamble:cjson:*:*:*:*:*:*:*:* Versions before 1.7.4 Vulnerable ·DaveGamble
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-1000217
- 2026-10-03 Alias added: GHSA-cmxj-54mf-j4q3
References
More DaveGamble Cjson vulnerabilities
- TI-2025-35424 cJSON 1.5.0 through 1.7.18 allows out-of-bounds access via the… CVSS 3.1CRITICAL 9.8
- TI-2023-27613 cJSON v1.7.16 was discovered to contain a segmentation violation via the function cJSON_SetValuestring at cJSON.c. CVSS 3.1HIGH 7.5
- TI-2026-47533 cJSON JSON Patch Non-Atomic Application Destroys Data Before Validation CVSS 4.0MEDIUM 6.9
- TI-2026-47532 cJSON cJSON_Compare Exponential Complexity Denial of Service CVSS 4.0HIGH 8.2
- TI-2019-08871 cJSON before 1.7.11 allows out-of-bounds access, related to multiline comments. CVSS 3.1CRITICAL 9.8
- TI-2019-08870 cJSON before 1.7.11 allows out-of-bounds access, related to \x00 in a string literal. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2018-1000217 · CVE Program
- CVE-2018-1000217 · NVD
- FIRST EPSS
- GHSA-cmxj-54mf-j4q3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences