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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade iperf3 | Jan 29, 2020 | Sep 26, 2016 |
| Freebsd | — | Upgrade iperf3 | Dec 10, 2025 | Jun 8, 2016 |
| Suse | — | Upgrade iperfUpgrade libiperf0Upgrade iperf-devel | Aug 26, 2016 | Aug 19, 2016 |
| Ubuntu | — | Upgrade iperf3 (Ubuntu Pro) | Mar 22, 2023 | Sep 26, 2016 |
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