The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2021:0083 advisory.

    Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

    CVE-2020-12662:
    Unbound before 1.10.1 has Insufficient Control of Network Message Volume, aka an NXNSAttack issue. This     is triggered by random subdomains in the NSDNAME in NS records.

    CVE-2020-12663:
    Unbound before 1.10.1 has an infinite loop via malformed DNS answers received from upstream servers.

Tenable has extracted the preceding description block directly from the Alibaba Cloud 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.

The remote NewStart CGSL host, running version MAIN 6.01, has unbound packages installed that are affected by multiple vulnerabilities:

  - Unbound 1.6.4 through 1.9.4 contain a vulnerability in     the ipsec module that can cause shell code execution     after receiving a specially crafted answer. This issue     can only be triggered if unbound was compiled with     `--enable-ipsecmod` support, and ipsecmod is enabled and     used in the configuration. (CVE-2019-18934)

  - Unbound before 1.10.1 has an infinite loop via malformed     DNS answers received from upstream servers.
    (CVE-2020-12663)

  - Unbound before 1.10.1 has Insufficient Control of     Network Message Volume, aka an NXNSAttack issue. This     is triggered by random subdomains in the NSDNAME in NS     records. (CVE-2020-12662)

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

According to the versions of the unbound packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - Unbound 1.6.4 through 1.9.4 contain a vulnerability in     the ipsec module that can cause shell code execution     after receiving a specially crafted answer. This issue     can only be triggered if unbound was compiled with     `--enable-ipsecmod` support, and ipsecmod is enabled     and used in the configuration.(CVE-2019-18934)

  - Unbound before 1.10.1 has Insufficient Control of     Network Message Volume, aka an 'NXNSAttack' issue. This     is triggered by random subdomains in the NSDNAME in NS     records.(CVE-2020-12662)

  - Unbound before 1.10.1 has an infinite loop via     malformed DNS answers received from upstream     servers.(CVE-2020-12663)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The Rocky Linux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-2026_0488 advisory.

    This advisory aggregates security fixes for the unbound SRPM in CIQ LTS 9.2. It addresses 12 CVEs:
    CVE-2011-4528, CVE-2014-8602, CVE-2019-16866, CVE-2023-50868, CVE-2020-12662, and 7 more.

Tenable has extracted the preceding description block directly from the CIQ 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 Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-2026_1369 advisory.

    This advisory aggregates security fixes for the unbound SRPM in CIQ LTS 9.6. It addresses 28 CVEs:
    CVE-2026-42534, CVE-2026-32792, CVE-2011-4528, CVE-2014-8602, CVE-2025-11411, and 23 more.

Tenable has extracted the preceding description block directly from the CIQ 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	名稱	產品	系列	已發布	已更新	嚴重性
236148	Alibaba Cloud Linux 3 : 0083: unbound (ALINUX3-SA-2021:0083)	Nessus	Alibaba Cloud Linux Local Security Checks	2025/5/14	2025/5/14	high
138770	NewStart CGSL MAIN 6.01 : unbound Multiple Vulnerabilities (NS-SA-2020-0037)	Nessus	NewStart CGSL Local Security Checks	2020/7/21	2024/2/29	high
142292	EulerOS 2.0 SP2 : unbound (EulerOS-SA-2020-2403)	Nessus	Huawei Local Security Checks	2020/11/3	2024/2/12	high
353828	Rocky Linux 9.2 [CIQ] Security Update: python3-unbound / python3-unbound-debuginfo / unbound / etc Multiple Vulnerabilities (ciqsa-2026_0488)	Nessus	Rocky Linux Local Security Checks	2026/10/1	2026/10/12	high
354372	Rocky Linux 9.6 [CIQ] Security Update: python3-unbound / python3-unbound-debuginfo / unbound / etc Multiple Vulnerabilities (ciqsa-2026_1369)	Nessus	Rocky Linux Local Security Checks	2026/10/1	2026/10/12	high

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