CVE-2026-10646

Zephyr's BSD-sockets getaddrinfo implementation subsys/net/lib/sockets/getaddrinfo.c passes a pointer to a stack-allocated state object struct getaddrinfostate aistate as the userdata of an asynchronous DNS resolver query. The socket layer waits on a semaphore with a timeout deliberately set...

EUVD-2026-39347

An attacker might be able to delay the processing of DoH3 queries by sending DoH3 GET queries with an invalid DATA frame...

RHEL 9 : bind (RHSA-2026:24367)

"The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:24367 advisory. The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named...

PT-2026-45024

Impact DNSIncoming. decode labels at offset recurses once per DNS-name compression pointer RFC 1035 §4.1.4. Pointer cycles and label counts were capped, but the chain length of unique forward pointers was not. A single 3 kB mDNS packet carrying 1500 chained pointers drives the recursion past...

KB5087420: Windows 11 version 23H2 Security Update (May 2026)

The remote Windows host is missing security update 5087420. It is, therefore, affected by multiple vulnerabilities - Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network. CVE-2026-41096 - Use after free in Windows Hyper-V allows an...

DNSmasq 安全漏洞

DNSmasq is a DNS configuration tool developed by Simon Kelley. DNSmasq has a security vulnerability, which stems from the extractname function being exploitable, leading to a heap buffer overflow. This allows attackers to inject fake DNS cache entries, potentially redirecting DNS queries to...

DNSmasq 安全漏洞

DNSmasq is a DNS configuration tool developed by Simon Kelley. DNSmasq has a security vulnerability, which stems from a buffer overflow in the extractaddresses function. This vulnerability allows attackers to trigger heap-based out-of-bounds reads by exploiting malformed DNS responses, causing a...

Inefficient Algorithmic Complexity

Overview Twisted is an event-based network programming and multi-protocol integration framework. Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity through the decode function in the DNS name decompression process. An attacker can cause the server to hang and...

[SECURITY] Fedora 44 Update: kea-3.0.3-1.fc44

DHCP implementation from Internet Systems Consortium, Inc. that features fully functional DHCPv4, DHCPv6 and Dynamic DNS servers. Both DHCP servers fully support server discovery, address assignment, renewal, rebinding and release. The DHCPv6 server supports prefix delegation. Both servers suppor...

SUSE CVE-2026-35406

Aardvark-dns is an authoritative dns server for A/AAAA container records. From 1.16.0 to 1.17.0, a truncated TCP DNS query followed by a connection reset causes aardvark-dns to enter an unrecoverable infinite error loop at 100% CPU. This vulnerability is fixed in 1.17.1...

curl: Data race in Curl_dnscache_add_negative() corrupts shared DNS cache — heap corruption and double-free when using CURLOPT_SHARE with CURL_LOCK_DATA_DNS

Data race in Curldnscacheaddnegative corrupts shared DNS cache — heap corruption and double-free when using CURLOPTSHARE with CURLLOCKDATADNS Severity: Medium CVSS 3.1: 6.5 — AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H --- Summary Curldnscacheaddnegative in lib/dnscache.c modifies the shared DNS cache ha...

CVE-2026-30919 facileManager Affected by Stored Cross-Site Scripting (XSS)

facileManager is a modular suite of web apps built with the sysadmin in mind. Prior to 6.0.4 , stored XSS also known as persistent or second-order XSS occurs when an application receives data from an untrusted source and includes that data in its subsequent HTTP responses in an unsafe manner. Thi...

PT-2026-24149

Name of the Vulnerable Software and Affected Versions facileManager versions prior to 6.0.4 Description facileManager is a suite of web applications designed for system administrators. A stored cross-site scripting XSS issue exists in the fmDNS module. This type of attack occurs when an applicati...

NewStart CGSL MAIN 6.06 (SP) : c-ares Vulnerability (NS-SA-2026-0023)

The remote NewStart CGSL host, running version MAIN 6.06 SP, has c-ares packages installed that are affected by a vulnerability: - A flaw was found in c-ares library, where a missing input validation check of host names returned by DNS Domain Name Servers can lead to output of wrong hostnames whi...

CVE-2026-25791

Sliver is a command and control framework that uses a custom Wireguard netstack. Prior to 1.7.0, the DNS C2 listener accepts unauthenticated TOTP bootstrap messages and allocates server-side DNS sessions without validating OTP values, even when EnforceOTP is enabled. Because sessions are stored...

CVE-2026-25791 Sliver has a DNS C2 OTP Bypass Allows Unauthenticated Session Flooding and Denial of Service

Sliver is a command and control framework that uses a custom Wireguard netstack. Prior to 1.7.0, the DNS C2 listener accepts unauthenticated TOTP bootstrap messages and allocates server-side DNS sessions without validating OTP values, even when EnforceOTP is enabled. Because sessions are stored...

D-Link DIR-823X 操作系统命令注入漏洞

The D-Link DIR-823X is a wireless router produced by D-Link Corporation. The D-Link DIR-823X 250416 version has a vulnerability related to operating system command injection. This vulnerability stems from incorrect operations on the parameters ddnsType, ddnsDomainName, ddnsUserName, and ddnsPwd i...

MiracleLinux 4 : bind-9.8.2-0.37.7.0.1.rc1.AXS4 (AXSA:2016-143:02)

"The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2016-143:02 advisory. BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves ho...

CVE-2025-11787

Command injection vulnerability in the operating system in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2 through the 'GetDNS', 'CheckPing' and 'TraceRoute' functions...

CVE-2025-12942

Improper Input Validation vulnerability in NETGEAR R6260 and NETGEAR R6850 allows unauthenticated attackers connected to LAN with ability to perform MiTM attacks and control over DNS Server to perform command execution.This issue affects R6260: through 1.1.0.86; R6850: through 1.1.0.86...