Back to Database
Status published
Critical
CVE-2016-4303
The parse_string function in cjson.c in the cJSON library mishandles...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2016-4303
Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.talosintelligence.com/reports/TALOS-2016-0164/
- http://blog.talosintel.com/2016/06/esnet-vulnerability.html
- http://software.es.net/iperf/news.html#security-issue-iperf-3-1-3-iperf-3-0-12-released
- https://raw.githubusercontent.com/esnet/security/master/cve-2016-4303/esnet-secadv-2016-0001.txt.asc
- https://github.com/esnet/iperf/commit/91f2fa59e8ed80dfbf400add0164ee0e508e412a
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00082.html
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00090.html
- https://lists.debian.org/debian-lts-announce/2020/01/msg00023.html
Affected Vendor
Affected Software
iperf3, suse package hub for suse linux enterprise, leap, opensuse, debian linux
Vulnerable Versions:
3.0, 3.1, 12, 42.1, 13.2, 8.0
Timeline
Official Publish:
September 26th, 2016
Last Modified:
August 6th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.