Vendor

    NLnet Labs

    110 known vulnerabilities in products by NLnet Labs, 0 of them actively exploited (CISA KEV).

    Key figures

    110

    Vulnerabilities

    0

    Actively exploited (KEV)

    0

    Used by ransomware

    18

    Critical

    Vulnerabilities

    Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.

    Vulnerabilities in NLnet Labs
    HighCVE-2023-50387

    ISC BIND 9: Denial of Service

    also in 17 other products

    7.5
    CriticalCVE-2026-64193

    Net::DNS versions through 1.55 for Perl allow remote execution injection via EDNS EXTENDED ERROR

    also in 2 other products

    9.8
    CriticalCVE-2019-25032

    NLnet Labs Unbound: Integer Overflow

    also in 1 other product

    9.8
    CriticalCVE-2019-25034

    NLnet Labs Unbound: Out-of-Bounds Write

    also in 1 other product

    9.8
    CriticalCVE-2019-25035

    NLnet Labs Unbound: Out-of-Bounds Write

    also in 1 other product

    9.8
    CriticalCVE-2019-25039

    NLnet Labs Unbound: Integer Overflow

    also in 1 other product

    9.8
    CriticalCVE-2019-25042

    NLnet Labs Unbound: Out-of-Bounds Write

    also in 1 other product

    9.8
    CriticalCVE-2026-33278

    Possible arbitrary code execution during DNSSEC validation

    also in 3 other products

    9.8
    CriticalCVE-2019-25038

    NLnet Labs Unbound: Integer Overflow

    also in 1 other product

    9.8
    CriticalCVE-2017-1000231

    NLnet Labs ldns: Double Free

    9.8
    CriticalCVE-2026-81642

    Heap buffer overflow and possible Remote Code Execution when digesting DNSKEY

    also in 4 other products

    9.8
    CriticalCVE-2019-25033

    NLnet Labs Unbound: Integer Overflow

    also in 1 other product

    9.8
    CriticalCVE-2017-1000232

    NLnet Labs ldns: Double Free

    9.8
    CriticalCVE-2026-82717

    CNAME synthesis could lead to heap corruption

    also in 4 other products

    9.8
    HighCVE-2020-12663

    NLnet Labs Unbound: Infinite Loop

    also in 4 other products

    7.5
    CriticalCVE-2019-13207

    NLnet Labs Name Server Daemon: Stack-Based Buffer Overflow

    9.8
    HighCVE-2019-16866

    NLnet Labs Unbound: Use of Uninitialized Memory

    also in 1 other product

    7.5
    HighCVE-2024-1931

    Denial of service when trimming EDE text on positive replies

    also in 2 other products

    7.5
    HighCVE-2020-12662

    NLnet Labs Unbound: security vulnerability

    also in 4 other products

    7.5
    HighCVE-2019-18934

    NLnet Labs Unbound: Code Execution

    also in 2 other products

    7.3
    HighCVE-2016-6173

    NLnet Labs NSD: Denial of Service

    7.5
    MediumCVE-2013-5661

    ISC BIND 9: security vulnerability

    also in 3 other products

    5.9
    HighCVE-2019-25037

    NLnet Labs Unbound: Denial of Service

    also in 1 other product

    7.5
    HighCVE-2019-25041

    NLnet Labs Unbound: security vulnerability

    also in 1 other product

    7.5
    HighCVE-2019-25036

    NLnet Labs Unbound: Denial of Service

    also in 1 other product

    7.5

    All vulnerabilities in search

    News

    Products

    Products by NLnet Labs
    NLnet Labs Unbound730
    NLnet Labs NSD120
    NLnet Labs Routinator120
    NLnet Labs ldns80