{"cve":"CVE-2016-4303","nvd":{"published":"2016-09-26T14:59:01.553","modified":"2026-06-17T00:47:19.017","status":"Modified","description":"The parse_string function in cjson.c in the cJSON library mishandles UTF8/16 strings, which allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a non-hex character in a JSON string, which triggers a heap-based buffer overflow.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-120"],"references":["http://blog.talosintel.com/2016/06/esnet-vulnerability.html","http://lists.opensuse.org/opensuse-updates/2016-08/msg00082.html","http://lists.opensuse.org/opensuse-updates/2016-08/msg00090.html","http://software.es.net/iperf/news.html#security-issue-iperf-3-1-3-iperf-3-0-12-released","http://www.talosintelligence.com/reports/TALOS-2016-0164/"],"products":["debian:debian_linux","es:iperf3","novell:suse_package_hub_for_suse_linux_enterprise","opensuse:leap","opensuse:opensuse"],"source":"nvd","synced_at":"2026-10-19T20:40:10.783210791+00:00"},"epss":{"cve":"CVE-2016-4303","score":0.06963,"percentile":0.94129,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}