CVE-2026-123585

The hickory-resolver component in Hickory DNS versions 0.25.0 before 0.26.2 is vulnerable to a query amplification attack. The root cause is that the resolver follows irrelevant CNAME records during recursive query resolution, such as those included in the authority or additional sections or thos...

CVE-2026-123586

The Hickory DNS recursive resolver versions 0.25.0-alpha.3 through 0.25.2 are vulnerable to a query amplification attack. The root cause is the improper handling of cyclic sibling name server referrals that lack glue records . An attacker controlling two zones can create a loop where name servers...

GHSA-6F2X-V7Q7-M7M5 hickory-resolver follows irrelevant CNAME records

When the Hickory DNS resolver follows CNAME records, it sends queries that are not necessary to answer the original recursive query. If there are any CNAME records in the authority section or additional section of the response, queries will be sent for those names. If there are any CNAME records...

hickory-resolver follows irrelevant CNAME records

When the Hickory DNS resolver follows CNAME records, it sends queries that are not necessary to answer the original recursive query. If there are any CNAME records in the authority section or additional section of the response, queries will be sent for those names. If there are any CNAME records...

PT-2026-115370

When the Hickory DNS resolver follows CNAME records, it sends queries that are not necessary to answer the original recursive query. If there are any CNAME records in the authority section or additional section of the response, queries will be sent for those names. If there are any CNAME records...

MiracleLinux 4 : unbound-1.4.20-29.AXS4.1 (AXSA:2020-179:03)

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2020-179:03 advisory. unbound: amplification of an incoming query into a large number of queries directed to a target CVE-2020-12662 unbound: infinite loop via malformed D...

TencentOS Server 4: bind (TSSA-2025:0564)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0564 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

EUVD-2020-3186

Malware in sbrugna...

The DNS protocol in RFC 1035 and updates allows remote attackers to cause a denial of service (resource consumption) by arranging for DNS queries to be accumulated for seconds such that responses are later sent in a pulsing burst (which can be considered traffic amplification in some cases) aka the "DNSBomb" issue.

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SUSE CVE-2020-10772

An incomplete fix for CVE-2020-12662 was shipped for Unbound in Red Hat Enterprise Linux 7, as part of erratum RHSA-2020:2414. Vulnerable versions of Unbound could still amplify an incoming query into a large number of queries directed to a target, even with a lower amplification ratio compared t...

CVE-2020-10772

An incomplete fix for CVE-2020-12662 was shipped for Unbound in Red Hat Enterprise Linux 7, as part of erratum RHSA-2020:2414. Vulnerable versions of Unbound could still amplify an incoming query into a large number of queries directed to a target, even with a lower amplification ratio compared t...

unbound security update

1.6.6-4 - Fix amplifying an incoming query into a large number of queries directed to a target - Resolves: rhbz1839172 CVE-2020-12662, rhbz1840258 CVE-2020-12663...

unbound security update

1.7.3-11 - Fix amplifying an incoming query into a large number of queries directed to a target - Resolves: rhbz1839177 CVE-2020-12662, rhbz1840262 CVE-2020-12663...

MGASA-2020-0224 Updated unbound packages fix security vulnerabilities

Updated unbound packages fix security vulnerabilities: Unbound can be tricked into amplifying an incoming query into a large number of queries directed to a target CVE-2020-12662. Malformed answers from upstream name servers can be used to make Unbound unresponsive CVE-2020-12663...

NTP MON_GETLIST Query Amplification DDoS

!/usr/bin/perl ntp MONGETLIST query amplification ddos Copyright 2015 c Todor Donev [email protected] http://www.ethical-hacker.org/ https://www.facebook.com/ethicalhackerorg A Network Time Protocol NTP Amplification attack is an emerging form of Distributed Denial of Service DDoS that relies...