The version of AOS installed on the remote host is prior to 6.1. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-6.1 advisory.

  - xpointer.c in libxml2 before 2.9.5 (as used in Apple iOS before 10, OS X before 10.12, tvOS before 10, and     watchOS before 3, and other products) does not forbid namespace nodes in XPointer ranges, which allows     remote attackers to execute arbitrary code or cause a denial of service (use-after-free and memory     corruption) via a crafted XML document. (CVE-2016-4658)

  - NSS (Network Security Services) versions prior to 3.73 or 3.68.1 ESR are vulnerable to a heap overflow     when handling DER-encoded DSA or RSA-PSS signatures. Applications using NSS for handling signatures     encoded within CMS, S/MIME, PKCS \#7, or PKCS \#12 are likely to be impacted. Applications using NSS for     certificate validation or other TLS, X.509, OCSP or CRL functionality may be impacted, depending on how     they configure NSS. *Note: This vulnerability does NOT impact Mozilla Firefox.* However, email clients and     PDF viewers that use NSS for signature verification, such as Thunderbird, LibreOffice, Evolution and     Evince are believed to be impacted. This vulnerability affects NSS < 3.73 and NSS < 3.68.1.
    (CVE-2021-43527)

  - Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow     unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.
    (CVE-2017-5715)

  - Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized     disclosure of information to an attacker with local user access via a side-channel analysis.
    (CVE-2017-5753)

  - Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow     unauthorized disclosure of information to an attacker with local user access via a side-channel analysis     of the data cache. (CVE-2017-5754)

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

The remote host is running a version of Mac OS X that is prior to 10.10.5, 10.11.x prior to 10.11.6, or is not macOS 10.12. It is, therefore, affected by multiple vulnerabilities in the following components :

  - apache
  - apache_mod_php
  - Apple HSSPI Support
  - AppleEFIRuntime
  - AppleMobileFileIntegrity
  - AppleUCC
  - Application Firewall
  - ATS
  - Audio
  - Bluetooth
  - cd9660
  - CFNetwork
  - CommonCrypto
  - CoreCrypto
  - CoreDisplay
  - curl
  - Date & Time Pref Pane
  - DiskArbitration
  - File Bookmark
  - FontParser
  - IDS - Connectivity
  - ImageIO
  - Intel Graphics Driver
  - IOAcceleratorFamily
  - IOThunderboltFamily
  - Kerberos v5 PAM module
  - Kernel
  - libarchive
  - libxml2
  - libxpc
  - libxslt
  - mDNSResponder
  - NSSecureTextField
  - Perl
  - S2 Camera
  - Security
  - Terminal
  - WindowServer

Note that successful exploitation of the most serious issues can result in arbitrary code execution.

Update to 2.9.7 which hopefully fixes all security issues

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

According to its self-reported version, the Nessus Network Monitor running on the remote host is prior to 6.2.2. It is, therefore, affected by multiple vulnerabilities as referenced in the TNS-2023-23 advisory. Several of the third-party components were found to contain vulnerabilities, and updated versions have been made available by the providers. Out of caution and in line with best practice, Tenable has opted to upgrade these components to address the potential impact of the issues. Nessus Network Monitor 6.2.2 updates the following components:

  - c-ares from version 1.10.0 to version 1.19.1.
  - curl from version 7.79.1 to version 8.1.2.
  - libbzip2 from version 1.0.6 to version 1.0.8.
  - libpcre from version 8.42 to version 8.44.
  - libxml2 from version 2.7.7 to version 2.11.1.
  - libxslt from version 1.1.26 to version 1.1.37.
  - libxmlsec from version 1.2.18 to version 1.2.37.
  - sqlite from version 3.27.2 to version 3.40.1.
  - jQuery Cookie from version 1.3.1 to version 1.4.1.
  - jQuery UI from version 1.13.0 to version 1.13.2.
  - OpenSSL from version 3.0.8 to version 3.0.9.

The version of AOS installed on the remote host is prior to 5.20.3. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-5.20.3 advisory.

  - xpointer.c in libxml2 before 2.9.5 (as used in Apple iOS before 10, OS X before 10.12, tvOS before 10, and     watchOS before 3, and other products) does not forbid namespace nodes in XPointer ranges, which allows     remote attackers to execute arbitrary code or cause a denial of service (use-after-free and memory     corruption) via a crafted XML document. (CVE-2016-4658)

  - NSS (Network Security Services) versions prior to 3.73 or 3.68.1 ESR are vulnerable to a heap overflow     when handling DER-encoded DSA or RSA-PSS signatures. Applications using NSS for handling signatures     encoded within CMS, S/MIME, PKCS \#7, or PKCS \#12 are likely to be impacted. Applications using NSS for     certificate validation or other TLS, X.509, OCSP or CRL functionality may be impacted, depending on how     they configure NSS. *Note: This vulnerability does NOT impact Mozilla Firefox.* However, email clients and     PDF viewers that use NSS for signature verification, such as Thunderbird, LibreOffice, Evolution and     Evince are believed to be impacted. This vulnerability affects NSS < 3.73 and NSS < 3.68.1.
    (CVE-2021-43527)

  - Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP     transfer-encoding request header in some circumstances leading to the possibility to request smuggling     when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer encoding header if     the client declared it would only accept an HTTP/1.0 response; - Tomcat honoured the identify encoding;
    and - Tomcat did not ensure that, if present, the chunked encoding was the final encoding.
    (CVE-2021-33037)

  - A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. On a locked     down (usually due to Secure Boot) guest system running on top of PowerVM or KVM hypervisors (pseries     platform) a root like local user could use this flaw to further increase their privileges to that of a     running kernel. (CVE-2020-27777)

  - A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c.
    This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name     space (CVE-2021-22555)

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

CVE-2016-4658 Namespace nodes must be copied to avoid use-after-free errors. But they don't necessarily have a physical representation in a document, so simply disallow them in XPointer ranges.

CVE-2016-5131 The old code would invoke the broken xmlXPtrRangeToFunction. range-to isn't really a function but a special kind of location step. Remove this function and always handle range-to in the XPath code. The old xmlXPtrRangeToFunction could also be abused to trigger a use-after-free error with the potential for remote code execution.

For Debian 7 'Wheezy', these problems have been fixed in version 2.8.0+dfsg1-7+wheezy7.

We recommend that you upgrade your libxml2 packages.

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

Several vulnerabilities were discovered in libxml2, a library providing support to read, modify and write XML and HTML files. A remote attacker could provide a specially crafted XML or HTML file that, when processed by an application using libxml2, would cause a denial-of-service against the application, or potentially, the execution of arbitrary code with the privileges of the user running the application.

This update for libxml2 fixes the following issues :

  - CVE-2016-4658: use-after-free error could lead to crash     [bsc#1005544]

  - Fix NULL dereference in xpointer.c when in recovery mode     [bsc#1014873]

  - CVE-2016-9597: An XML document with many opening tags     could have caused a overflow of the stack not detected     by the recursion limits, allowing for DoS (bsc#1017497).

For CVE-2016-9318 we decided not to ship a fix since it can break existing setups. Please take appropriate actions if you parse untrusted XML files and use the new -noxxe flag if possible (bnc#1010675, bnc#1013930).

This update was imported from the SUSE:SLE-12-SP2:Update update project.

ID	名前	製品	ファミリー	公開日	更新日	深刻度
164603	Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-6.1)	Nessus	Misc.	2022/9/1	2026/7/24	high
93685	macOS < 10.12 Multiple Vulnerabilities	Nessus	MacOS X Local Security Checks	2016/9/23	2026/1/23	critical
106521	Fedora 27 : libxml2 (2018-db610fff5b)	Nessus	Fedora Local Security Checks	2018/1/31	2025/10/30	critical
177842	Nessus Network Monitor < 6.2.2 Multiple Vulnerabilities (TNS-2023-23)	Nessus	Misc.	2023/6/30	2023/7/6	critical
164611	Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-5.20.3)	Nessus	Misc.	2022/9/1	2026/7/24	high
94448	Debian DLA-691-1 : libxml2 security update	Nessus	Debian Local Security Checks	2016/11/1	2026/1/20	critical
96101	Debian DSA-3744-1 : libxml2 - security update	Nessus	Debian Local Security Checks	2016/12/27	2026/1/7	critical
97116	openSUSE Security Update : libxml2 (openSUSE-2017-244)	Nessus	SuSE Local Security Checks	2017/2/13	2026/1/1	critical

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