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Vulnerability Database · Debian · unbound · Version

unbound 1.19.2-1

1.19.2-1 is affected by 36 vulnerabilities.

The vulnerabilities that cover this exact version are listed below with the fixed version to move to.

Critical 0 High 0 Medium 0 Low 0 Unrated 36

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Database updated 23/Oct/2026

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01 Vulnerabilities affecting this version

unbound 1.19.2-1 vulnerabilities

36 vulnerabilities cover unbound 1.19.2-1. Scroll the table for all of them, or open the full list in the database.

Vulnerability Severity Fixed version Disclosed
Heap Buffer Overflow in Unbound DNS Resolver N/A unrated No fix published 22 Jul 2026
Critical Denial of Service Vulnerability in Unbound DNS Resolver N/A unrated No fix published 22 Jul 2026
Cache Poisoning Vulnerability in Unbound DNS Resolver N/A unrated No fix published 22 Jul 2026
Critical Vulnerability in Unbound: Client Terminated DNS-over-QUIC Queries N/A unrated No fix published 22 Jul 2026
Unbound Package Vulnerability: Client Reply Dropping Issue N/A unrated No fix published 22 Jul 2026
Unbound DNS Vulnerability: Security Bypass in Response-IP Handling N/A unrated No fix published 22 Jul 2026
Unbound DNSCrypt Configuration Vulnerability - CVE-2026-55990 N/A unrated No fix published 22 Jul 2026
Denial of Service Vulnerability in Unbound DNS Resolver due to DNSCrypt Query Handling N/A unrated No fix published 22 Jul 2026
Denial of Service Vulnerability in Unbound DNS-over-QUIC Implementation N/A unrated No fix published 22 Jul 2026
Unbound DNSSEC Amplification Vulnerability - CVE-2026-50045 N/A unrated No fix published 22 Jul 2026
Critical Vulnerability in Unbound DNS Resolver: Cache Short-Circuiting via Glue Records N/A unrated No fix published 22 Jul 2026
Critical Vulnerability in Unbound Package: Cookie Validation Flaw via Proxy Protocol N/A unrated No fix published 22 Jul 2026
Critical Stack Overflow Vulnerability in Unbound DNS Resolver N/A unrated No fix published 22 Jul 2026
Critical Assertion Failure in Unbound Package Due to DNS-over-QUIC Misconfiguration N/A unrated No fix published 22 Jul 2026
Memory Corruption Vulnerability in Unbound DNS Resolver N/A unrated No fix published 22 Jul 2026
Critical Vulnerability in Unbound Package: Potential Zone Transfer Exploit N/A unrated No fix published 22 Jul 2026
Denial of Service Vulnerability in Unbound DNS Package N/A unrated No fix published 22 Jul 2026
Denial of Service Vulnerability in Unbound DNS-over-QUIC N/A unrated No fix published 22 Jul 2026
DNS Cache Poisoning Vulnerability in Unbound Package N/A unrated No fix published 22 Jul 2026
Critical Vulnerability in Unbound Package: Local Zone Bypass Issue N/A unrated No fix published 22 Jul 2026
Ghost Domain Vulnerability in Unbound Package: CVE-2026-42955 N/A unrated No fix published 22 Jul 2026
Critical Vulnerability in Unbound Package: DNSSEC Bypass Due to Off-by-One Error N/A unrated No fix published 22 Jul 2026
DNSSEC Vulnerability in Unbound: Wildcard RRset Replay Attack N/A unrated No fix published 22 Jul 2026
Critical Termination Vulnerability in Unbound Package - CVE-2026-44621 N/A unrated No fix published 22 Jul 2026
Critical Vulnerability in Unbound Package: CVE-2026-42960 Exposes Security Risks N/A unrated No fix published 20 May 2026
Critical Vulnerability in Unbound Package: CVE-2026-42923 N/A unrated No fix published 20 May 2026
Critical Vulnerability in Unbound Package: CVE-2026-44608 N/A unrated No fix published 20 May 2026
Critical Vulnerability in Unbound Package: CVE-2026-32792 N/A unrated No fix published 20 May 2026
Critical Vulnerability in Unbound Package: CVE-2026-42944 N/A unrated No fix published 20 May 2026
Critical Vulnerability in Unbound Package: CVE-2026-42959 N/A unrated No fix published 20 May 2026
Critical Vulnerability in Unbound Package: CVE-2026-33278 N/A unrated No fix published 20 May 2026
Critical Vulnerability in Unbound Package: CVE-2026-42534 N/A unrated No fix published 20 May 2026
Critical Vulnerability in Unbound Package: CVE-2026-41292 N/A unrated No fix published 20 May 2026
Critical Vulnerability in Unbound Package: CVE-2026-40622 N/A unrated No fix published 20 May 2026
Critical Vulnerability in Unbound Package: CVE-2026-44390 N/A unrated No fix published 20 May 2026
Critical Vulnerability in Unbound Package: CVE-2025-11411 N/A unrated No fix published 22 Oct 2025

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Questions

About unbound 1.19.2-1

Is unbound 1.19.2-1 vulnerable?

Yes. 36 vulnerabilities in the Vulert database cover unbound 1.19.2-1: 0 critical, 0 high, 0 medium and 0 low, plus 36 not yet rated. Each entry above names the fixed version to move to.

How do I monitor unbound for upcoming vulnerabilities?

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