dnsdiag

DNS 测量、故障排除与安全审计工具集 你是否曾怀疑你的互联网服务提供商（ISP）在拦截你的 DNS 流量？ 你是否注意到 DNS 响应中出现异常行为，或被重定向到错误的地址，并怀疑 DNS 出了问题？我们提供一套工具，用于对你的 DNS 请求和响应进行基本审计，帮助你确保 DNS 按预期运行。 通过 dnsping，你可以测量任意 DNS 服务器对任意查询的响应时间。类似于常规的 ping 工具，dnsping 为 DNS 请求提供了类似的功能，帮助你监控服务器的响应能力。 你还可以使用 dnstraceroute 来追踪 DNS...

policymaker

policymaker 生成真实的漏洞披露政策 — VDP、安全港、security.txt 和 DNS Security TXT 记录。几分钟内完成，无需律师。 属于disclose.io 项目 的一部分 — 开放、厂商中立的漏洞披露基础设施。浏览生态系统 → policymaker.disclose.io 是一个免费的开源生成器，通过回答几个关于您组织的问题，即可生成一套完整、可辩护的安全披露方案： 完整的漏洞披露政策 （VDP），可选是否包含协调披露窗口， 一个独立的安全港条款 ，可附加到现有政策中， 一份 security.txt 文件（RFC 9116），以及 一条 DNS...

bind: bind9: Incorrect acceptance of NSEC3 records

BIND may accept incorrect child-zone NSEC3 records as valid, which could allow an attacker to forge authenticated NXDOMAIN responses...

unbound: Unbound: Cache poisoning via insufficient RRSIG.Labels validation and premature cache writes

A flaw was found in Unbound. Insufficient validation of the RRSIG.Labels field, combined with premature cache writes during RFC 8198 aggressive NSEC processing, can lead to cache poisoning. This vulnerability allows a malicious actor, controlling a single delegated zone, to poison arbitrary sibli...

ALSA-2026:55784 Important: unbound security update

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fixes: unbound: Unbound: Cache poisoning via insufficient RRSIG.Labels validation and premature cache writes CVE-2026-44690 For more details about the security issues, including the impact, a CVSS...

Important: Red Hat Security Advisory: ldns security update

An update for ldns is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

ldns: ldns: Off-path poisoning attacks due to insufficient query-response matching

A flaw was found in ldns. When applications use ldns as a resolver over User Datagram Protocol UDP, it fails to properly match the query's destination address and port with the response's source address and port. Additionally, the query ID and question are not matched with the response. This...

SUSE SLES15 Security Update : bind (SUSE-SU-2026:3452-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3452-1 advisory. - CVE-2026-10723: accepting incorrect child-zone NSEC3 records as valid can allow an attacker to forge authenticated NXDOMAIN...

Security update for bind

This update for bind fixes the following issues CVE-2026-10723: incorrect acceptance of NSEC3 records bsc1271982. CVE-2026-11331: potential wildcard CNAME RPZ policy bypass bsc1271984. CVE-2026-11622: potential memory usage beyond configured limits bsc1271986. CVE-2026-11721: cache poisoning...

SUSE-SU-2026:3476-1 Security update for bind

This update for bind fixes the following issues - CVE-2026-10723: Incorrect acceptance of NSEC3 records bsc1271982. - CVE-2026-11331: Potential wildcard CNAME RPZ policy bypass bsc1271984. - CVE-2026-11622: Potential memory usage beyond configured limits bsc1271986. - CVE-2026-11721: Cache...

Security update for bind

This update for bind fixes the following issues: CVE-2026-10723: accepting incorrect child-zone NSEC3 records as valid can allow an attacker to forge authenticated NXDOMAIN responses for sibling zones bsc1271982. CVE-2026-10822: storing a DNS key record with an invalid PRIVATEDNS algorithm...

openSUSE 16: bind / bind-modules-bdbhpt / bind-modules-generic / etc (openSUSE-SU-2026:21489-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21489-1 advisory. This update for bind fixes the following issues - Upgrade to release 9.20.26 - CVE-2026-10723: Incorrect acceptance of NSEC3 records bsc1271982....

SUSE SLED15 / SLES15 Security Update : bind (SUSE-SU-2026:3426-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3426-1 advisory. Upgrade to release 9.20.26. Security issues fixed: - CVE-2026-10723: incorrect acceptance of NSEC3 records...

CVE-2026-46582

A flaw was found in Unbound, a Domain Name System DNS resolver. A remote attacker can exploit a vulnerability in how Unbound handles expired DNSSEC DNS Security Extensions records. By injecting a replayed wildcard record set, an attacker can cause Unbound to temporarily consider it secure, leadin...

Security update for bind

This update for bind fixes the following issues: Upgrade to release 9.20.26. Security issues fixed: CVE-2026-10723: incorrect acceptance of NSEC3 records bsc1271982. CVE-2026-10822: key record using PRIVATEDNS algorithm may lead to unexpected exit bsc1271983. CVE-2026-11331: potential wildcard...

SUSE-SU-2026:3426-1 Security update for bind

This update for bind fixes the following issues: Upgrade to release 9.20.26. Security issues fixed: - CVE-2026-10723: incorrect acceptance of NSEC3 records bsc1271982. - CVE-2026-10822: key record using PRIVATEDNS algorithm may lead to unexpected exit bsc1271983. - CVE-2026-11331: potential...

CVE-2026-52686

A flaw was found in pdns-recursor. This vulnerability allows a remote attacker to bypass DNSSEC Domain Name System Security Extensions validation. The flaw occurs because the system accepts wildcard expansion proofs NSEC/NSEC3 records without proper signature validation when the wildcard answer i...

Unexpected exit in certain situations with NSEC and NSEC3 both present

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Linux Distros Unpatched Vulnerability : CVE-2026-44687

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In NLnet Labs Unbound 1.13.2 up to and including 1.25.1, stub or forward zones where the name is below an intermediate labed below a DNSSEC signed zone could be...

SUSE CVE-2026-52686

The issue is a DNSSEC validation bypass where wildcard expansion proofs NSEC/NSEC3 records are accepted without signature validation when the wildcard answer is a CNAME or DNAME record...