CVE20265172poc

CVE20265172poc CVE-2026-5172: 针对精心构造的资源记录，extractaddresses 函数中存在缓冲区溢出漏洞的 PoC 拓扑结构请参阅此处 https://medium.com/@yanyuyingshu/reproduction-journal-dnsmasq-ecs-validation-and-buffer-overflow-flaws-e0fe0f66f60c 步骤​ 1. vi /etc/dnsmasq.conf​ port=5353​ listen-address=xxx.xxx.xxx.x bind-interfaces​ no-resol...

MGASA-2026-0135 Updated dnsmasq packages fix security vulnerabilities

CVE-2026-2291: dnsmasqs extractname function can be abused to cause a heap buffer overflow, allowing an attacker to inject false DNS cache entries, which could result in DNS lookups to redirect to an attacker-controlled IP address, or to cause a DoS. CVE-2026-4890: A Denial of Service DoS...

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...

CVE-2026-5172 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...

dnsmasq -- multiple vulnerabilities

Simon Kelley reports: Today, 11th May 2026 CERT is releasing a set of six CVEs for serious security vulnerabilities in dnsmasq. These are all long-standing bugs which apply to pretty much all non-ancient versions. Christopher Cullen and Molly Jaconski write, in Vulnerability Note VU471747:...