The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6576 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6576-1                   security@debian.org     https://www.debian.org/security/                     Salvatore Bonaccorso     October 21, 2026                      https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : bind9     CVE ID         : CVE-2026-19630 CVE-2026-94300 CVE-2026-96888 CVE-2026-97313

    Several vulnerabilities were discovered in BIND, a DNS server     implementation, which could result in denial of service or remote code     execution.

    For the stable distribution (trixie), these problems have been fixed in     version 1:9.20.30-1~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 AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1793199388 advisory.

  - In a BIND resolver, inbound DNS protocol messages with a particular structure will result in additional     processing, with no limit imposed by BIND. A DNS message with a maliciously large number of such     structures will cause BIND to consume disproportionate amounts of CPU time and memory during processing.
    This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.29, 9.21.0 through 9.21.26,     9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.29-S1. (CVE-2026-19630)

  - Replaying GSS-TSIG signed UDP messages can result in memory corruption in `named`. An attacker who can     capture a previously signed UDP message can replay it while the negotiated TSIG key is still valid. By     also sending crafted queries to a zone the attacker controls, the attacker may potentially achieve remote     code execution. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.29, 9.21.0     through 9.21.26, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.29-S1. (CVE-2026-94300)

  - A BIND resolver that is configured with both a redirect zone and qname-minimization strict may abort     with an assertion failure while processing the redirect. This issue affects BIND 9 versions 9.16.0 through     9.18.50, 9.20.0 through 9.20.29, 9.21.0 through 9.21.26, 9.16.8-S1 through 9.18.50-S1, and 9.20.9-S1     through 9.20.29-S1. (CVE-2026-96888)

  - A recursive BIND server that receives a query with recursion desired (RD=1) followed by a non-recursive     query (RD=0) may exit with an assertion failure, resulting in a denial of service. To be vulnerable, the     BIND server must allow recursive queries and have at least two RPZ zones configured: one with the default     setting of recursive-only yes, and the other with recursive-only no. This issue affects BIND 9     versions 9.16.0 through 9.18.50, 9.20.0 through 9.20.29, 9.21.0 through 9.21.26, 9.11.3-S1 through     9.18.50-S1, and 9.20.9-S1 through 9.20.29-S1. (CVE-2026-97313)

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

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:95727 advisory.

    The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols.
    BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing     with DNS); and tools for verifying that the DNS server is operating correctly.

    Security Fix(es):

    * bind: BIND 9 server memory exhaustion during GSS-API TKEY negotiation (CVE-2026-3039)

    * bind: BIND: Denial of Service via specially crafted DNS messages (CVE-2026-5946)

    * bind: bind9: DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field (CVE-2026-13321)

    * bind: bind9: Potential memory usage beyond configured limits (CVE-2026-11622)

    * bind: bind9: Cache poisoning via label count discrepancy, RRSIG, wildcards (CVE-2026-11721)

    * bind: bind9: Unexpected exit with NSEC and NSEC3 both present (CVE-2026-13204)

    * bind: BIND: Denial of Service via unbounded processing of crafted DNS messages (CVE-2026-19630)

    * bind: bind: Arbitrary code execution via GSS-TSIG UDP message replay (CVE-2026-94300)

    Bug Fix(es) and Enhancement(s):

    * bind: New root trust anchor key for DNSSEC [rhel-6-els] (JIRA:RHEL-131964)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
370219	Debian dsa-6576 : bind9 - security update	Nessus	Debian Local Security Checks	2026/10/22	2026/10/26	high
373056	AlmaLinux 9.2 [TuxCare] Security Update: bind / bind-chroot / bind-devel / bind-dnssec-doc / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1793199388)	Nessus	Alma Linux Local Security Checks	2026/10/28	2026/10/30	high
377040	RHEL 6 : bind (RHSA-2026:95727)	Nessus	Red Hat Local Security Checks	2026/11/6	2026/11/6	high

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