8.8

CVE-2018-1000216: davegamble cjson Double Free

CVSS: 8.8v3.0HighModified
Published 20-08-2018Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2018-1000216 is a high (CVSS 8.8) Double Free vulnerability in davegamble cjson. EPSS estimates a 1.47% chance of exploitation in the next 30 days, higher than 73.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.0 (NVD)
EPSS score
1.47%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 20-08-2018
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

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 metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.47%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

+0.03 pp

From 1.44% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.47%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Cjson

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Davegamble1 product

1 vendor · 1 product

References

2 links