Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且廠商未提供可用的修補程式。

  - 來自不相關同級區域的有效簽署 NSEC3 可能會被接受為不安全證明，降級安全委派並允許偽造的未簽署答案通過。此問題影響 BIND 9 版本 9.11.09.18.50（至 、 至 9.20.09.20.27、 9.21.09.21.25至 、 9.11.3-S1 至 9.18.50-S1 和 9.20.9-S1 至 9.20.27-S1）。（CVE-2026-77119）

請注意，Nessus 的判定取決於廠商所報告的套件是否存在。

Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - 来自不相关同级区域的有效签名 NSEC3 可能会被接受为不安全证明，从而降级安全委派并让伪造的未签名答复通过。此问题影响 BIND 9 9.11.0 版本 9.18.50到 、 到 9.20.09.20.27、 9.21.09.21.25到 9.11.3-S1 到 9.18.50-S1，以及 9.20.9-S1 到 9.20.27-S1。（CVE-2026-77119）

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

Linux/Unix ホストには、ベンダーが提供するパッチが利用できない脆弱性の影響を受ける複数のパッケージがインストールされています。

  - 関連のない兄弟ゾーンからの有効に署名された NSEC3 が、セキュリティでない証明として受け入れられ、安全な委任をダウングレードし、偽造された署名のない回答が通過する可能性があります。この問題は、BIND 9 バージョンの 9.11.0 から 9.18.50、 9.20.0 から 9.20.27、 9.21.0 から 9.21.25、9.11.3-S1 から 9.18.50-S1、9.20.9-S1 から 9.20.27-S1 に影響を与えます。(CVE-2026-77119)

Nessus は、ベンダーから報告されたパッケージの存在に依存していることに注意してください。

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6505 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6505-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     September 17, 2026                    https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : bind9     CVE ID         : CVE-2026-19033 CVE-2026-19662 CVE-2026-19666 CVE-2026-19667                      CVE-2026-19668 CVE-2026-75029 CVE-2026-76163 CVE-2026-77119                      CVE-2026-77692 CVE-2026-80274 CVE-2026-81563 CVE-2026-81736

    Several vulnerabilities were discovered in BIND, a DNS server implementation,     which may result in denial of service or cache poisoning.

    For the stable distribution (trixie), these problems have been fixed in     version 1:9.20.29-1~deb13u1.

    We recommend that you upgrade your bind9 packages.

    For the detailed security status of bind9 please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/bind9

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of ISC BIND running on the remote host is 9.11.0 through 9.18.50, 9.20.0 through 9.20.27, or 9.21.0 through 9.21.25. Supported Preview Edition releases 9.11.3-S1 through 9.18.50-S1 and 9.20.9-S1 through 9.20.27-S1 are also affected. It is, therefore, affected by multiple vulnerabilities :

  - If a BIND resolver sends a query for a DNSSEC-signed authoritative zone, and the authoritative server     replies with a valid wildcard answer and signed NSEC3 proof, followed by an unsigned NSEC at the same owner     name, it will trigger an unexpected program exit. (CVE-2026-80274)

  - A validly signed NSEC3 from an unrelated sibling zone may be accepted as an insecurity proof, downgrading a     secure delegation and letting a forged unsigned answer through. (CVE-2026-77119)

  - A malformed zone may contain an NS or DNAME node above its origin, which named treats as a zone cut. If an     attacker inserts a malformed zone into a BIND authoritative server (e.g., via zone transfer), queries for     names inside the configured zone then lose authoritative status and return an out-of-zone delegation.
    (CVE-2026-78301)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A validly signed NSEC3 from an unrelated sibling zone may be accepted as an insecurity proof, downgrading     a secure delegation and letting a forged unsigned answer through. This issue affects BIND 9 versions     9.11.0 through 9.18.50, 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, 9.11.3-S1 through 9.18.50-S1, and     9.20.9-S1 through 9.20.27-S1. (CVE-2026-77119)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
346591	Linux Distros 未修補弱點：CVE-2026-77119	Nessus	Misc.	2026/9/16	2026/9/18	medium
346591	Linux Distros 未修补的漏洞：CVE-2026-77119	Nessus	Misc.	2026/9/16	2026/9/18	medium
346591	Linux Distros のパッチ未適用の脆弱性: CVE-2026-77119	Nessus	Misc.	2026/9/16	2026/9/18	medium
346980	Debian dsa-6505 : bind9 - security update	Nessus	Debian Local Security Checks	2026/9/17	2026/9/17	medium
347969	ISC BIND 9.11.0 < 9.20.29 / 9.11.3-S1 < 9.20.29-S1 / 9.20.0 < 9.20.29 / 9.20.9-S1 < 9.20.29-S1 / 9.21.0 < 9.21.26 Multiple Vulnerabilities	Nessus	DNS	2026/9/18	2026/9/18	high
346591	Linux Distros Unpatched Vulnerability : CVE-2026-77119	Nessus	Misc.	2026/9/16	2026/9/18	medium

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