{"schema_version":1,"title":"CESNET Ipfixcol2 vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in CESNET Ipfixcol2: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-122130, was published on 4 November 2026. 3 vulnerabilities in the last four weeks, up from none in the four before.","url":"https://junglewise.ai/threats/technologies/ipfixcol2","json_url":"https://junglewise.ai/threats/technologies/ipfixcol2.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/ipfixcol2","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","thin":false,"counts":{"high":2,"all_time":3,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":3,"last_90_days":3,"last_365_days":3},"latest":[{"cve":"CVE-2026-122130","cvss":8.2,"slug":"cve-2026-122130-cesnet-ipfixcol2-2-3-0-before-2-9-0-contains-an-integer-overflow","title":"CESNET ipfixcol2 integer overflow in Forwarder plugin","severity":"high","exploited":false,"published_at":"2026-11-04T21:18:08.543+00:00","url":"https://junglewise.ai/threats/cve-2026-122130-cesnet-ipfixcol2-2-3-0-before-2-9-0-contains-an-integer-overflow"},{"cve":"CVE-2026-122129","cvss":5.3,"slug":"cve-2026-122129-cesnet-ipfixcol2-2-7-1-before-2-9-0-contains-a-memory-allocation","title":"CESNET ipfixcol2 memory exhaustion in LZ4 decoder","severity":"medium","exploited":false,"published_at":"2026-11-04T21:18:08.38+00:00","url":"https://junglewise.ai/threats/cve-2026-122129-cesnet-ipfixcol2-2-7-1-before-2-9-0-contains-a-memory-allocation"},{"cve":"CVE-2026-122127","cvss":7.5,"slug":"cve-2026-122127-cesnet-ipfixcol2-2-7-1-before-2-9-0-contains-a-heap-based-buffer","title":"CESNET ipfixcol2 heap buffer overflow in LZ4 decompression","severity":"high","exploited":false,"published_at":"2026-11-04T21:18:08.2+00:00","url":"https://junglewise.ai/threats/cve-2026-122127-cesnet-ipfixcol2-2-7-1-before-2-9-0-contains-a-heap-based-buffer"}],"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":3},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"CESNET Libyang","slug":"libyang","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/libyang"}],"technology":{"hub":true,"name":"CESNET Ipfixcol2","slug":"ipfixcol2","vendor":{"hub":true,"name":"CESNET","slug":"cesnet","url":"https://junglewise.ai/threats/vendors/cesnet"},"aliases":[],"category":"collector","repo_url":"https://github.com/CESNET/ipfixcol2","description":"NetFlow and IPFIX flow data collector for network traffic analysis.","url":"https://junglewise.ai/threats/technologies/ipfixcol2"},"most_severe":[{"cve":"CVE-2026-122130","cvss":8.2,"slug":"cve-2026-122130-cesnet-ipfixcol2-2-3-0-before-2-9-0-contains-an-integer-overflow","title":"CESNET ipfixcol2 integer overflow in Forwarder plugin","severity":"high","exploited":false,"published_at":"2026-11-04T21:18:08.543+00:00","url":"https://junglewise.ai/threats/cve-2026-122130-cesnet-ipfixcol2-2-3-0-before-2-9-0-contains-an-integer-overflow"},{"cve":"CVE-2026-122127","cvss":7.5,"slug":"cve-2026-122127-cesnet-ipfixcol2-2-7-1-before-2-9-0-contains-a-heap-based-buffer","title":"CESNET ipfixcol2 heap buffer overflow in LZ4 decompression","severity":"high","exploited":false,"published_at":"2026-11-04T21:18:08.2+00:00","url":"https://junglewise.ai/threats/cve-2026-122127-cesnet-ipfixcol2-2-7-1-before-2-9-0-contains-a-heap-based-buffer"},{"cve":"CVE-2026-122129","cvss":5.3,"slug":"cve-2026-122129-cesnet-ipfixcol2-2-7-1-before-2-9-0-contains-a-memory-allocation","title":"CESNET ipfixcol2 memory exhaustion in LZ4 decoder","severity":"medium","exploited":false,"published_at":"2026-11-04T21:18:08.38+00:00","url":"https://junglewise.ai/threats/cve-2026-122129-cesnet-ipfixcol2-2-7-1-before-2-9-0-contains-a-memory-allocation"}],"generated_at":"2026-11-12T03:07:00.164048+00:00"}