CVE-2026-5172

A heap out-of-bounds read vulnerability was discovered in dnsmasq's DNS response processing. The extractaddresses function trusts the declared record data length rdlen without verifying that a subsequent call to extractname stays within the record boundary. A crafted DNS response with a mismatche...

CVE-2026-41096 Windows DNS Client Remote Code Execution Vulnerability

...

CVE-2026-41096 Windows DNS Client Remote Code Execution Vulnerability

...

CVE-2026-42260

Open-WebSearch CVE-2026-42260 describes a SSRF in fetchWebContent of the MCP tool where bracketed IPv6 literals and lack of DNS resolution allow bypassing the public URL checks. The vulnerability arises because isPublicHttpUrl / assertPublicHttpUrl in src/utils/urlSafety.ts treat bracketed IPv6 h...

RUSTSEC-2026-0140 DNS rebinding and cross-origin CSRF in dynoxide's MCP HTTP transport

dynoxide's MCP HTTP transport was vulnerable to DNS rebinding via its transitive rmcp dependency, plus a related cross-origin CSRF gap. A malicious web page could make the user's browser send requests to a local dynoxide mcp --http or dynoxide serve --mcp server with a non-loopback Host header,...

DNS rebinding and cross-origin CSRF in dynoxide's MCP HTTP transport

dynoxide's MCP HTTP transport was vulnerable to DNS rebinding via its transitive rmcp dependency, plus a related cross-origin CSRF gap. A malicious web page could make the user's browser send requests to a local dynoxide mcp --http or dynoxide serve --mcp server with a non-loopback Host header,...

KB5089549: Windows 11 Version 24H2 / Windows 11 Version 25H2 Security Update (May 2026)

The remote Windows host is missing security update 5089549 or hotpatch 5089466. 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 - Heap-based buffer overflow ...

Microsoft Windows DNS 安全漏洞

Microsoft Windows DNS is a domain name resolution service provided by Microsoft Corporation. The Domain Name System DNS is one of the industry-standard protocol suites that includes TCP/IP. Both DNS clients and DNS servers work together to provide name resolution services, mapping computer names ...

KB5089548: Windows 11 Version 26H1 Security Update (May 2026)

The remote Windows host is missing security update 5089548. 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 - Heap-based buffer overflow in Windows Win32K -...

Open-WebSearch 代码问题漏洞

Open-WebSearch is a multi-engine web search and content retrieval tool developed by Aasee’s individual developers, without the need for an API key. Versions of Open-WebSearch prior to 2.1.7 had code vulnerabilities. These vulnerabilities stemmed from URL security checks not recognizing IPv6...

KB5087541: Windows Server version 23H2 Security Update (May 2026)

The remote Windows host is missing security update 5087541. 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 - Stack-based buffer overflow in Windows Netlogon...

CVE-2026-43897

Link Preview JS extracts web links information. Prior to 4.0.1, the library did not check for IPv6 loopback attacks. There was also a DNS attack, where an address could be resolved into an internal IP. This could cause internal data leaks. This vulnerability is fixed in 4.0.1...

CVE-2026-43897 Link Preview JS: vunerable to IPv6 and internal loopback attacks

Link Preview JS extracts web links information. Prior to 4.0.1, the library did not check for IPv6 loopback attacks. There was also a DNS attack, where an address could be resolved into an internal IP. This could cause internal data leaks. This vulnerability is fixed in 4.0.1...

CVE-2026-43884 WWBN AVideo: SSRF Protection Bypass via HTTP Redirect and DNS Rebinding in isSSRFSafeURL()

WWBN AVideo is an open source video platform. In versions up to and including 29.0, two endpoints plugin/AI/receiveAsync.json.php and objects/EpgParser.php in AVideo call isSSRFSafeURL to validate user-supplied URLs, then fetch them using bare filegetcontents without disabling PHP's automatic...

CVE-2026-43884 WWBN AVideo: SSRF Protection Bypass via HTTP Redirect and DNS Rebinding in isSSRFSafeURL()

WWBN AVideo is an open source video platform. In versions up to and including 29.0, two endpoints plugin/AI/receiveAsync.json.php and objects/EpgParser.php in AVideo call isSSRFSafeURL to validate user-supplied URLs, then fetch them using bare filegetcontents without disabling PHP's automatic...

CVE-2026-43884 WWBN AVideo: SSRF Protection Bypass via HTTP Redirect and DNS Rebinding in isSSRFSafeURL()

WWBN AVideo is an open source video platform. In versions up to and including 29.0, two endpoints plugin/AI/receiveAsync.json.php and objects/EpgParser.php in AVideo call isSSRFSafeURL to validate user-supplied URLs, then fetch them using bare filegetcontents without disabling PHP's automatic...

Important: Red Hat Security Advisory: bind security update

An update for bind is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability...

bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone

A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service DoS for legitimate users...

ALPINE-CVE-2026-5172

A buffer overflow in dnsmasq’s extractaddresses function allows an attacker to trigger a heap out-of-bounds read and crash by exploiting a malformed DNS response, enabling extractname to advance the pointer past the record’s end...

AZL-86766 CVE-2026-5172 affecting package dnsmasq for versions less than 2.92-1

A buffer overflow in dnsmasq’s extractaddresses function allows an attacker to trigger a heap out-of-bounds read and crash by exploiting a malformed DNS response, enabling extractname to advance the pointer past the record’s end...