CVE-2026-8674

A assertion failure in the DNS stub resolver of the GNU C Library (glibc) versions 2.26 through 2.44 aborts any process that resolves names through the library. The root cause is that when the search list in /etc/resolv.conf or the LOCALDOMAIN environment variable contains a domain of roughly 200...

CVE-2026-8674 Assertion failure in the DNS stub resolver with a long search domain

Initializing the DNS stub resolver from an /etc/resolv.conf file, or a LOCALDOMAIN environment variable, whose search list contains a domain of roughly 200 characters or more in the GNU C Library version 2.26 to 2.44 results in an assertion failure which aborts the process. The resolver truncates...

cve-2015-7547-public

PoC 攻击服务器 用于 CVE-2015-7547 glibc DNS stub 解析器漏洞 在本地机器上使用有漏洞的 glibc 版本进行测试： root@kitploit: user@localhost:/$ echo 'nameserver 127.0.0.127' | sudo tee /etc/resolv.conf user@localhost:/$ echo 'nameserver 127.0.0.127' | sudo tee -a /etc/resolv.conf user@localhost:/$ sudo python3 attack-server.py...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : ldns vulnerability (USN-8449-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8449-1 advisory. Pablo Ruiz discovered that ldns did not properly validate DNS responses when used as a stub resolver...

OPENSUSE-SU-2026:21093-1 Security update for ldns

This update for ldns fixes the following issue - CVE-2026-10846: when ldns is used by applications for stub resolving, it does not sufficiently verify that received responses belong to a sent query bsc1267670...

USN-8449-1: ldns vulnerability

Pablo Ruiz discovered that ldns did not properly validate DNS responses when used as a stub resolver over UDP. A remote attacker could possibly use this issue to inject arbitrary DNS responses...

USN-8449-1 ldns vulnerability

Pablo Ruiz discovered that ldns did not properly validate DNS responses when used as a stub resolver over UDP. A remote attacker could possibly use this issue to inject arbitrary DNS responses...

SUSE CVE-2026-10846

NLnet Labs ldns 1.2.0 up to and including versions 1.9.0, when used in applications as stub resolver over UDP, lacks matching the query destination address and port with the response source address and port. Furthermore not the query ID, neither the question of the query is matched with that of t...

Linux Distros Unpatched Vulnerability : CVE-2026-10846

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NLnet Labs ldns 1.2.0 up to and including versions 1.9.0, when used in applications as stub resolver over UDP, lacks matching the query destination address and...

FreeBSD : FreeBSD -- Insufficient response validation in the ldns stub resolver (fc0c7763-6477-11f1-958d-bc241121aa0a)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the fc0c7763-6477-11f1-958d-bc241121aa0a advisory. When used as a stub resolver over UDP, ldns failed to verify that a received response belonged to the...

AZL-89715 CVE-2026-10846 affecting package ldns for versions less than 1.8.3-3

NLnet Labs ldns 1.2.0 up to and including versions 1.9.0, when used in applications as stub resolver over UDP, lacks matching the query destination address and port with the response source address and port. Furthermore not the query ID, neither the question of the query is matched with that of t...

CVE-2026-10846

NLnet Labs ldns 1.2.0 up to and including versions 1.9.0, when used in applications as stub resolver over UDP, lacks matching the query destination address and port with the response source address and port. Furthermore not the query ID, neither the question of the query is matched with that of t...

UBUNTU-CVE-2026-10846

NLnet Labs ldns 1.2.0 up to and including versions 1.9.0, when used in applications as stub resolver over UDP, lacks matching the query destination address and port with the response source address and port. Furthermore not the query ID, neither the question of the query is matched with that of t...

FreeBSD Security Advisory - FreeBSD-SA-26:36.ldns

FreeBSD Security Advisory - When used as a stub resolver over UDP, ldns failed to verify that a received response belonged to the outstanding query. It did not check that the response source address and port matched the query destination, that the transaction ID matched, or that the question...

FreeBSD -- Insufficient response validation in the ldns stub resolver

Problem Description: When used as a stub resolver over UDP, ldns failed to verify that a received response belonged to the outstanding query. It did not check that the response source address and port matched the query destination, that the transaction ID matched, or that the question section of...

EUVD-2017-3716

Malware in sbrugna...

RLSA-2024:9423 Moderate: python-dns security update

The python-dns package contains the dnslib module that implements a DNS client and additional modules that define certain symbolic constants used by DNS, such as dnstype, dnsclass and dnsopcode. Security Fixes: dnspython: denial of service in stub resolver CVE-2023-29483 For more details about th...

dnspython: denial of service in stub resolver

The dnspython stub resolver is vulnerable to a denial of service DoS risk if an attacker sends a malicious response forged with the correct address and port before a legitimate one arrives on the UDP port used by dnspython for the query. In such cases, dnspython could either switch to another...

ALSA-2024:9423 Moderate: python-dns security update

The python-dns package contains the dnslib module that implements a DNS client and additional modules that define certain symbolic constants used by DNS, such as dnstype, dnsclass and dnsopcode. Security Fixes: dnspython: denial of service in stub resolver CVE-2023-29483 For more details about th...

dnspython: denial of service in stub resolver

The dnspython stub resolver is vulnerable to a denial of service DoS risk if an attacker sends a malicious response forged with the correct address and port before a legitimate one arrives on the UDP port used by dnspython for the query. In such cases, dnspython could either switch to another...