HIGHCVSS v3.1 8.2Vulnerability
CVE-2026-122130
CESNET ipfixcol2 2.3.0 before 2.9.0 contains an integer overflow vulnerability in the Forwarder output plugin that allows unauthenticated IPFIX exporters to overflow a heap buffer by wrapping uint16_t message length counters. Attackers can send near-65535-byte data sets and large templates to a collector forwarding over TCP to crash it and perform 2-byte writes to attacker-influenced addresses.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-04T21:42:22.291815+00:00
- Cvss severity
- HIGH
- Cvss score
- 8.2
- Retrieved at
- 2026-11-04T21:43:05+00:00
- Score
- 8.2
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-122130
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- First seen by Signal
- 2026-11-04T21:38:26+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- Published at
- 2026-11-04T21:18:08.543
- Last modified
- 2026-11-04T21:18:08.543
Related Entities (1)
HAS_WEAKNESS (1)
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