24 matches found
EUVD-2026-66349
Any remote client can crash a debugging/non-release build type NSD serve child by sending it a special crafted message with a specially tuned number of DNS Cookie options 17 when UDP payload size is 512. By continuously crashing the serve childs, the remote client can severely hamper or, when...
Linux Distros Unpatched Vulnerability : CVE-2026-19401
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Any remote client can crash a debugging/non-release build type NSD serve child by sending it a special crafted message with a specially tuned number of DNS Cook...
CVE-2026-19401
A flaw was found in NSD. A remote attacker can crash an NSD server child by sending a specially crafted message containing a specific number of DNS Cookie options. This continuous crashing can severely hamper or deny DNS service, leading to a denial of service DoS condition. This vulnerability...
DEBIAN-CVE-2026-19401
Any remote client can crash a debugging/non-release build type NSD serve child by sending it a special crafted message with a specially tuned number of DNS Cookie options 17 when UDP payload size is 512. By continuously crashing the serve childs, the remote client can severely hamper or, when...
CVE-2026-19401
Any remote client can crash a debugging/non-release build type NSD serve child by sending it a special crafted message with a specially tuned number of DNS Cookie options 17 when UDP payload size is 512. By continuously crashing the serve childs, the remote client can severely hamper or, when...
CVE-2026-19401
Any remote client can crash a debugging/non-release build type NSD serve child by sending it a special crafted message with a specially tuned number of DNS Cookie options 17 when UDP payload size is 512. By continuously crashing the serve childs, the remote client can severely hamper or, when...
CVE-2026-19401
Any remote client can crash a debugging/non-release build type NSD serve child by sending it a special crafted message with a specially tuned number of DNS Cookie options 17 when UDP payload size is 512. By continuously crashing the serve childs, the remote client can severely hamper or, when...
CVE-2026-19401
NSD (Name Server Daemon) is vulnerable to a remote UDP denial-of-service targeting its serve child process. An unauthenticated remote attacker can crash the serve child by sending a crafted UDP message containing a specially tuned number of DNS Cookie options (17 when the UDP payload size is 512)...
CVE-2026-19401 Remote UDP DoS by sending multiple DNS Cookie options
Any remote client can crash a debugging/non-release build type NSD serve child by sending it a special crafted message with a specially tuned number of DNS Cookie options 17 when UDP payload size is 512. By continuously crashing the serve childs, the remote client can severely hamper or, when...
NSD -- multiple vulnerabilities
NLnet Labs reports: CVE-2026-18664: IP range access control restrictions are bypassed for some unintended IP. Reported by Qifan Zhang from Palo Alto Networks, Claude and Ada Logics. CVE-2026-18916: Any remote client can denial TCP service by throttling the TCP receive window down to 1. Reported b...
EUVD-2026-47678
In NLnet Labs Unbound 1.18.0 up to and including 1.25.1, when Unbound listens on a 'proxy-protocol-port' interface with 'answer-cookie: yes', the RFC 9018 server-cookie SipHash is computed over the proxy's wire address instead of the PROXYv2-declared client. One server cookie obtained through a...
CVE-2026-54478 DNS Cookie bypass when combined with proxy-protocol use
In NLnet Labs Unbound 1.18.0 up to and including 1.25.1, when Unbound listens on a 'proxy-protocol-port' interface with 'answer-cookie: yes', the RFC 9018 server-cookie SipHash is computed over the proxy's wire address instead of the PROXYv2-declared client. One server cookie obtained through a...
PT-2026-63386
Name of the Vulnerable Software and Affected Versions NLnet Labs Unbound versions 1.18.0 through 1.25.1 Description When the software listens on a 'proxy-protocol-port' interface with answer-cookie: yes, the RFC 9018 server-cookie SipHash is computed using the proxy's wire address rather than the...
CVE-2026-42944
NLnet Labs Unbound 1.14.0 up to and including version 1.25.0 has a vulnerability that results in heap overflow when encoding multiple NSID and/or DNS Cookie EDNS and/or EDNS Padding options in the reply packet. The relevant options 'nsid', 'answer-cookie', 'pad-responses' default need to be enabl...
CVE-2026-42944
NLnet Labs Unbound 1.14.0 up to and including version 1.25.0 has a vulnerability that results in heap overflow when encoding multiple NSID and/or DNS Cookie EDNS and/or EDNS Padding options in the reply packet. The relevant options 'nsid', 'answer-cookie', 'pad-responses' default need to be enabl...
CVE-2026-42944 Heap overflow with multiple NSID, COOKIE, PADDING EDNS options
NLnet Labs Unbound 1.14.0 up to and including version 1.25.0 has a vulnerability that results in heap overflow when encoding multiple NSID and/or DNS Cookie EDNS and/or EDNS Padding options in the reply packet. The relevant options 'nsid', 'answer-cookie', 'pad-responses' default need to be enabl...
EUVD-2025-10377
Malicious code in bioql PyPI...
AZL-59742 CVE-2025-31498 affecting package fluent-bit for versions less than 3.1.9-4
c-ares is an asynchronous resolver library. From 1.32.3 through 1.34.4, there is a use-after-free in readanswers when processanswer may re-enqueue a query either due to a DNS Cookie Failure or when the upstream server does not properly support EDNS, or possibly on TCP queries if the remote closed...
CVE-2025-31498
c-ares is an asynchronous resolver library. From 1.32.3 through 1.34.4, there is a use-after-free in readanswers when processanswer may re-enqueue a query either due to a DNS Cookie Failure or when the upstream server does not properly support EDNS, or possibly on TCP queries if the remote closed...
UBUNTU-CVE-2025-31498
c-ares is an asynchronous resolver library. From 1.32.3 through 1.34.4, there is a use-after-free in readanswers when processanswer may re-enqueue a query either due to a DNS Cookie Failure or when the upstream server does not properly support EDNS, or possibly on TCP queries if the remote closed...