UBUNTU-CVE-2026-92697

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UBUNTU-CVE-2026-92697

Summary:

Details: FastNetMon is a high-performance DDoS detector and sensor. In version 1.2.9 and earlier, the NetFlow v9 collector calls  strlen()  on an attacker-controlled interface-description field without bounding the scan to the field’s declared length. Although fields longer than 128 bytes are excluded from this operation, an accepted field without a null terminator can cause reads beyond the field and packet buffer. An unauthenticated remote attacker who can send crafted UDP packets to the collector can trigger an out-of-bounds read and potentially crash the process, causing denial of service. No fixed release is available as of this review.

References: https://ubuntu.com/security/CVE-2026-92697, https://www.cve.org/CVERecord?id=CVE-2026-92697, https://github.com/pavel-odintsov/fastnetmon/security/advisories/GHSA-ff5f-p5jw-8fq2, https://github.com/pavel-odintsov/fastnetmon/pull/1088, https://github.com/pavel-odintsov/fastnetmon/commit/9dc766074dc3048ec5007bc3f6a44f2b42d1e1cb