THREAT OPS › Threat News › [NVD] CVE-2026-42009 (HIGH 7.5) — A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security (DTLS) packet reordering logic. The comparator function, responsible for ordering DTLS packets by sequence numbers, did not correctly handle packets with duplicate sequen
[NVD] CVE-2026-42009 (HIGH 7.5) — A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security (DTLS) packet reordering logic. The comparator function, responsible for ordering DTLS packets by sequence numbers, did not correctly handle packets with duplicate sequen
CVE-2026-42009 CVSS: 7.5 HIGH Published: 2026-05-18T13:16:32.707
A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security (DTLS) packet reordering logic. The comparator function, responsible for ordering DTLS packets by sequence numbers, did not correctly handle packets with duplicate sequence numbers. This could lead to unstable packet orderin
Indicators of compromise
- CVE-2026-42009cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-42009