Products: 4
    Vulnerabilities: 20
    Known Exploited: 0
    1
    Critical Level Threats
    13
    High Level Threats
    5
    Medium Level Threats
    1
    Low Level Threats

    Vulnerabilities

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    Vulnerabilities

    CVE-2026-66374

    Knot Resolver Heap Buffer Overflow in DoQ Receive Path

    Last Modified: Aug 02, 2026
    Published: Jul 25, 2026

    CVE-2026-49943

    Stack‑Based Buffer Overflow in BIRD's AS_PATH Mask Matching Leading to Daemon Crash

    Last Modified: Jun 02, 2026
    Published: Jun 02, 2026

    CVE-2023-50387

    bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator

    Last Modified: Nov 04, 2025
    Published: Feb 13, 2024

    CVE-2023-46317

    Knot Resolver before 5.7.0 performs many TCP reconnections upon receiving certain nonsensical responses from servers.

    Last Modified: Nov 21, 2024
    Published: Oct 22, 2023

    CVE-2023-26249

    Knot Resolver before 5.6.0 enables attackers to consume its resources, launching amplification attacks and potentially causing a denial of service. Specifically, a single client query may lead to a hundred TCP connection attempts if a DNS server closes connections without providing a response.

    Last Modified: Mar 14, 2025
    Published: Feb 21, 2023
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