The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-6f3e9e3af6 advisory.

     * Prevent unsafe URI schemes from participating in media playback.
     * Make jsc_value_array_buffer_get_data() function introspectable.
     * Fix logging in to Google accounts that have a WebAuthn second factor configured.
     * Fix loading webkit://gpu when there are no threads configured for GPU rendering.
     * Fix rendering gradients that use the CSS hue interpolation method.
     * Fix pasting image data from the clipboard.
     * Fix font-family selection when the font name contains spaces.
     * Fix capturing canvas snapshots in the Web Inspector.
     * Fix several crashes and rendering issues.
     * 2.50.2 CVE fixes: CVE-2023-43000, CVE-2025-43392, CVE-2025-43419, CVE-2025-43425, CVE-2025-43427,     CVE-2025-43429, CVE-2025-43430, CVE-2025-43431, CVE-2025-43432, CVE-2025-43434, CVE-2025-43440,     CVE-2025-43443, CVE-2025-43480
     * This Fedora update additionally fixes CVE-2025-43421 via a downstream patch

Tenable has extracted the preceding description block directly from the Fedora 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 host is running a version of macOS / Mac OS X that is 26.x prior to 26.1. It is, therefore, affected by multiple vulnerabilities:

  - Sudo before 1.9.17p1, when used with a sudoers file that specifies a host that is neither the current host     nor ALL, allows listed users to execute commands on unintended machines. (CVE-2025-32462)

  - REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML     that has many deep elements that have same local name attributes. If you need to parse untrusted XMLs with     tree parser API like REXML::Document.new, you may be impacted to this vulnerability. If you use other     parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected. The REXML     gem 3.3.6 or later include the patch to fix the vulnerability. (CVE-2024-43398)

  - REXML is an XML toolkit for Ruby. The REXML gem before 3.3.9 has a ReDoS vulnerability when it parses an     XML that has many digits between &# and x...; in a hex numeric character reference (&#x...;). This does     not happen with Ruby 3.2 or later. Ruby 3.1 is the only affected maintained Ruby. The REXML gem 3.3.9 or     later include the patch to fix the vulnerability. (CVE-2024-49761)

  - A permissions issue was addressed with improved validation. This issue is fixed in macOS Ventura 13.7.5,     iPadOS 17.7.6, macOS Sequoia 15.4, macOS Sonoma 14.7.5. A shortcut may be able to access files that are     normally inaccessible to the Shortcuts app. (CVE-2025-30465)

  - A logic issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.8.2, macOS     Sequoia 15.7.2. An app may be able to access user-sensitive data. (CVE-2025-43322)

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

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4394 advisory.

    - -------------------------------------------------------------------------     Debian LTS Advisory DLA-4394-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/               Emilio Pozuelo Monfort     December 04, 2025                             https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : webkit2gtk     Version        : 2.50.2-1~deb11u1     CVE ID         : CVE-2025-43392 CVE-2025-43425 CVE-2025-43427 CVE-2025-43429                      CVE-2025-43430 CVE-2025-43431 CVE-2025-43432 CVE-2025-43434                      CVE-2025-43440 CVE-2025-43443

    The following vulnerabilities have been discovered in the WebKitGTK     web engine:

    CVE-2025-43392

        Tom Van Goethem discovered that a website may exfiltrate image         data cross-origin.

    CVE-2025-43425

        An anonymous researcher discovered that processing maliciously         crafted web content may lead to an unexpected process crash.

    CVE-2025-43427

        Gary Kwong and rheza discovered that processing maliciously         crafted web content may lead to an unexpected process crash.

    CVE-2025-43429

        Google Big Sleep discovered that processing maliciously crafted         web content may lead to an unexpected process crash.

    CVE-2025-43430

        Google Big Sleep discovered that processing maliciously crafted         web content may lead to an unexpected process crash.

    CVE-2025-43431

        Google Big Sleep discovered that processing maliciously crafted         web content may lead to memory corruption.

    CVE-2025-43432

        Hossein Lotfi discovered that processing maliciously crafted web         content may lead to an unexpected process crash.

    CVE-2025-43434

        Google Big Sleep discovered that processing maliciously crafted         web content may lead to an unexpected browser crash.

    CVE-2025-43440

        Nan Wang discovered that processing maliciously crafted web         content may lead to an unexpected process crash.

    CVE-2025-43443

        An anonymous researcher discovered that processing maliciously         crafted web content may lead to an unexpected process crash.

    For Debian 11 bullseye, these problems have been fixed in version     2.50.2-1~deb11u1.

    We recommend that you upgrade your webkit2gtk packages.

    For the detailed security status of webkit2gtk please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/webkit2gtk

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

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

  - This issue was addressed with improved checks. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2.
    Processing maliciously crafted web content may lead to an unexpected process crash. (CVE-2025-43443)

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

The version of Apple iOS running on the mobile device is prior to 26.1. It is, therefore, affected by multiple vulnerabilities.

The version of Apple iOS running on the mobile device is prior to 18.7.2. It is, therefore, affected by multiple vulnerabilities.

According to its banner, the version of Apple TV on the remote device is prior to 26.1. It is therefore affected by multiple vulnerabilities as described in the 125637

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-4fc934f283 advisory.

     * Prevent unsafe URI schemes from participating in media playback.
     * Make jsc_value_array_buffer_get_data() function introspectable.
     * Fix logging in to Google accounts that have a WebAuthn second factor configured.
     * Fix loading webkit://gpu when there are no threads configured for GPU rendering.
     * Fix rendering gradients that use the CSS hue interpolation method.
     * Fix pasting image data from the clipboard.
     * Fix font-family selection when the font name contains spaces.
     * Fix capturing canvas snapshots in the Web Inspector.
     * Fix several crashes and rendering issues.
     * 2.50.2 CVE fixes: CVE-2023-43000, CVE-2025-43392, CVE-2025-43419, CVE-2025-43425, CVE-2025-43427,     CVE-2025-43429, CVE-2025-43430, CVE-2025-43431, CVE-2025-43432, CVE-2025-43434, CVE-2025-43440,     CVE-2025-43443, CVE-2025-43480
     * This Fedora update additionally fixes CVE-2025-43421 via a downstream patch


Tenable has extracted the preceding description block directly from the Fedora 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 Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6070 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6070-1                   security@debian.org     https://www.debian.org/security/                           Alberto Garcia     December 04, 2025                     https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : webkit2gtk     CVE ID         : CVE-2025-43392 CVE-2025-43425 CVE-2025-43427 CVE-2025-43429                      CVE-2025-43430 CVE-2025-43431 CVE-2025-43432 CVE-2025-43434                      CVE-2025-43440 CVE-2025-43443

    The following vulnerabilities have been discovered in the WebKitGTK     web engine:

    CVE-2025-43392

        Tom Van Goethem discovered that a website may exfiltrate image         data cross-origin.

    CVE-2025-43425

        An anonymous researcher discovered that processing maliciously         crafted web content may lead to an unexpected process crash.

    CVE-2025-43427

        Gary Kwong and rheza discovered that processing maliciously         crafted web content may lead to an unexpected process crash.

    CVE-2025-43429

        Google Big Sleep discovered that processing maliciously crafted         web content may lead to an unexpected process crash.

    CVE-2025-43430

        Google Big Sleep discovered that processing maliciously crafted         web content may lead to an unexpected process crash.

    CVE-2025-43431

        Google Big Sleep discovered that processing maliciously crafted         web content may lead to memory corruption.

    CVE-2025-43432

        Hossein Lotfi discovered that processing maliciously crafted web         content may lead to an unexpected process crash.

    CVE-2025-43434

        Google Big Sleep discovered that processing maliciously crafted         web content may lead to an unexpected browser crash.

    CVE-2025-43440

        Nan Wang discovered that processing maliciously crafted web         content may lead to an unexpected process crash.

    CVE-2025-43443

        An anonymous researcher discovered that processing maliciously         crafted web content may lead to an unexpected process crash.

    For the oldstable distribution (bookworm), these problems have been fixed     in version 2.50.2-1~deb12u1.

    For the stable distribution (trixie), these problems have been fixed in     version 2.50.2-1~deb13u1.

    We recommend that you upgrade your webkit2gtk packages.

    For the detailed security status of webkit2gtk please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/webkit2gtk

    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.

ID	Name	Product	Family	Published	Updated	Severity
276699	Fedora 43 : webkitgtk (2025-6f3e9e3af6)	Nessus	Fedora Local Security Checks	11/25/2025	11/25/2025	critical
272228	macOS 26.x < 26.1 Multiple Vulnerabilities (125634)	Nessus	MacOS X Local Security Checks	11/3/2025	11/7/2025	high
277421	Debian dla-4394 : gir1.2-javascriptcoregtk-4.0 - security update	Nessus	Debian Local Security Checks	12/4/2025	12/4/2025	high
276583	Linux Distros Unpatched Vulnerability : CVE-2025-43443	Nessus	Misc.	11/22/2025	12/4/2025	medium
272230	Apple iOS < 26.1 Multiple Vulnerabilities (125632)	Nessus	Mobile Devices	11/3/2025	11/7/2025	low
274061	Apple iOS < 18.7.2 Multiple Vulnerabilities (125633)	Nessus	Mobile Devices	11/5/2025	11/7/2025	high
275165	Apple TV < 26.1 Multiple Vulnerabilities (125637)	Nessus	Misc.	11/12/2025	11/12/2025	medium
277026	Fedora 42 : webkitgtk (2025-4fc934f283)	Nessus	Fedora Local Security Checks	12/2/2025	12/2/2025	critical
277412	Debian dsa-6070 : gir1.2-javascriptcoregtk-4.0 - security update	Nessus	Debian Local Security Checks	12/4/2025	12/4/2025	high

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