The remote host is running a version of macOS / Mac OS X that is 26.x prior to 26.5.2. It is, therefore, affected by multiple vulnerabilities:

  - A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari     26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may     lead to memory corruption. (CVE-2026-43715, CVE-2026-43731)

  - This issue was addressed with improved input validation. This issue is fixed in iOS 26.5.2 and iPadOS     26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS     26.6. An app may be able to cause unexpected system termination or corrupt kernel memory. (CVE-2026-39868)

  - An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in Safari     26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6.
    Processing maliciously crafted web content may lead to an unexpected process crash. (CVE-2026-28979)

  - The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2     and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an     unexpected process crash. (CVE-2026-39872, CVE-2026-43712)

  - The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2     and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously     crafted web content may lead to an unexpected process crash. (CVE-2026-43663)

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 Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-3bc4b3ccb3 advisory.

     * Fire scrollend event for instant programmatic scrolls.
     * Increase network idle connection timeout to 115 seconds.
     * Fix several crashes and rendering issues.
     * Fix CVE-2024-4367, CVE-2026-39872, CVE-2026-43663, CVE-2026-43676, CVE-2026-43699, CVE-2026-43701,     CVE-2026-43705, CVE-2026-43707, CVE-2026-43712, CVE-2026-43713, CVE-2026-43715, CVE-2026-43716,     CVE-2026-43720, CVE-2026-43721, CVE-2026-43725, CVE-2026-43726, CVE-2026-43727, CVE-2026-43731,     CVE-2026-43732, CVE-2026-43734, CVE-2026-43740, CVE-2026-43742, CVE-2026-43745

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 Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:42062 advisory.

    WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.

    Security Fix(es):

    * Mozilla: Arbitrary JavaScript execution in PDF.js (CVE-2024-4367)

    * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-39872)

    * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43663)

    * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43676)

    * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43699)

    * webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox     (CVE-2026-43701)

    * webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43705)

    * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43707)

    * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43712)

    * webkitgtk: webkitgtk: Visiting a website may leak sensitive data (CVE-2026-43713)

    * webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43715)

    * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43716)

    * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43720)

    * webkitgtk: webkitgtk: A malicious website may silently hijack clipboard data (CVE-2026-43721)

    * webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox     (CVE-2026-43725)

    * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43726)

    * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43727)

    * webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43731)

    * webkitgtk: webkitgtk: Maliciously crafted web content may disclose sensitive user information     (CVE-2026-43732)

    * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43734)

    * webkitgtk: webkitgtk: Maliciously crafted web content may disclose process memory (CVE-2026-43740)

    * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43742)

    * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43745)

    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.

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:42062 advisory.

    * Mozilla: Arbitrary JavaScript execution in PDF.js (CVE-2024-4367)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-39872)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43663)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43676)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43699)
      * webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox     (CVE-2026-43701)
      * webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43705)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43707)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43712)
      * webkitgtk: webkitgtk: Visiting a website may leak sensitive data (CVE-2026-43713)
      * webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43715)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43716)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43720)
      * webkitgtk: webkitgtk: A malicious website may silently hijack clipboard data (CVE-2026-43721)
      * webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox     (CVE-2026-43725)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43726)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43727)
      * webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43731)
      * webkitgtk: webkitgtk: Maliciously crafted web content may disclose sensitive user information     (CVE-2026-43732)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43734)
      * webkitgtk: webkitgtk: Maliciously crafted web content may disclose process memory (CVE-2026-43740)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43742)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43745)

Tenable has extracted the preceding description block directly from the AlmaLinux 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.

  - The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2     and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously     crafted web content may result in the disclosure of process memory. (CVE-2026-43740)

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

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3338-1 advisory.

    - CVE-2024-4367: missing type check when handling fonts in PDF.js can allow arbitrary JavaScript execution       (bsc#1271638).
    - CVE-2026-39872: maliciously crafted web content can lead to an unexpected process crash (bsc#1271638).
    - CVE-2026-43663: maliciously crafted web content can lead to an unexpected process crash (bsc#1271638).
    - CVE-2026-43676: out-of-bounds access when processing web content can lead to an unexpected Safari crash       (bsc#1271638).
    - CVE-2026-43699: use-after-free issue when processing web content can lead to an unexpected process crash       (bsc#1271638).
    - CVE-2026-43701: malicious website can process restricted web content outside the sandbox (bsc#1271638).
    - CVE-2026-43705: type confusion issue when processing web content can lead to memory corruption     (bsc#1271638).
    - CVE-2026-43707: memory corruption issue when processing web content can lead to an unexpected process     crash       (bsc#1271638).
    - CVE-2026-43712: maliciously crafted web content can lead to an unexpected process crash (bsc#1271638).
    - CVE-2026-43713: visiting a website can leak sensitive data due to a permissions issue (bsc#1271638).
    - CVE-2026-43715: use-after-free issue when processing web content can lead to memory corruption     (bsc#1271638).
    - CVE-2026-43716: maliciously crafted web content can lead to an unexpected Safari crash (bsc#1271638).
    - CVE-2026-43720: use-after-free issue when processing web content can lead to an unexpected Safari crash       (bsc#1271638).
    - CVE-2026-43721: malicious website can silently hijack clipboard data (bsc#1271638).
    - CVE-2026-43725: unvalidated input can allow a malicious website to process restricted web content     outside the       sandbox (bsc#1271638).
    - CVE-2026-43726: use-after-free issue when processing web content can lead to an unexpected process crash       (bsc#1271638).
    - CVE-2026-43727: use-after-free issue when processing web content can lead to an unexpected Safari crash       (bsc#1271638).
    - CVE-2026-43731: use-after-free issue when processing web content can lead to memory corruption     (bsc#1271638).
    - CVE-2026-43732: path handling issue when processing web content can disclose sensitive user information       (bsc#1271638).
    - CVE-2026-43734: use-after-free issue when processing web content can lead to an unexpected process crash       (bsc#1271638).
    - CVE-2026-43740: maliciously crafted web content can result in the disclosure of process memory     (bsc#1271638).
    - CVE-2026-43742: use-after-free issue when processing web content can lead to an unexpected process crash       (bsc#1271638).
    - CVE-2026-43745: out-of-bounds write issue when processing web content can lead to an unexpected Safari     crash       (bsc#1271638).

    Changes for webkit2gtk3:

    - Update to version 2.52.5:

     * Fire scrollend event for instant programmatic scrolls.
     * Increase network idle connection timeout to 115 seconds.
     * Add User-Agent quirk for HBO Max.
     * Fix the build with system malloc.

Tenable has extracted the preceding description block directly from the SUSE 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 AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:42088 advisory.

    * Mozilla: Arbitrary JavaScript execution in PDF.js (CVE-2024-4367)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-39872)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43663)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43676)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43699)
      * webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox     (CVE-2026-43701)
      * webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43705)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43707)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43712)
      * webkitgtk: webkitgtk: Visiting a website may leak sensitive data (CVE-2026-43713)
      * webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43715)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43716)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43720)
      * webkitgtk: webkitgtk: A malicious website may silently hijack clipboard data (CVE-2026-43721)
      * webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox     (CVE-2026-43725)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43726)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43727)
      * webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43731)
      * webkitgtk: webkitgtk: Maliciously crafted web content may disclose sensitive user information     (CVE-2026-43732)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43734)
      * webkitgtk: webkitgtk: Maliciously crafted web content may disclose process memory (CVE-2026-43740)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43742)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43745)

Tenable has extracted the preceding description block directly from the AlmaLinux 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 SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3396-1 advisory.

    - CVE-2024-4367: missing type check when handling fonts in PDF.js can allow arbitrary JavaScript execution       (bsc#1271638).
    - CVE-2026-39872: maliciously crafted web content can lead to an unexpected process crash (bsc#1271638).
    - CVE-2026-43663: maliciously crafted web content can lead to an unexpected process crash (bsc#1271638).
    - CVE-2026-43676: out-of-bounds access when processing web content can lead to an unexpected Safari crash       (bsc#1271638).
    - CVE-2026-43699: use-after-free issue when processing web content can lead to an unexpected process crash       (bsc#1271638).
    - CVE-2026-43701: malicious website can process restricted web content outside the sandbox (bsc#1271638).
    - CVE-2026-43705: type confusion issue when processing web content can lead to memory corruption     (bsc#1271638).
    - CVE-2026-43707: memory corruption issue when processing web content can lead to an unexpected process     crash       (bsc#1271638).
    - CVE-2026-43712: maliciously crafted web content can lead to an unexpected process crash (bsc#1271638).
    - CVE-2026-43713: visiting a website can leak sensitive data due to a permissions issue (bsc#1271638).
    - CVE-2026-43715: use-after-free issue when processing web content can lead to memory corruption     (bsc#1271638).
    - CVE-2026-43716: maliciously crafted web content can lead to an unexpected Safari crash (bsc#1271638).
    - CVE-2026-43720: use-after-free issue when processing web content can lead to an unexpected Safari crash       (bsc#1271638).
    - CVE-2026-43721: malicious website can silently hijack clipboard data (bsc#1271638).
    - CVE-2026-43725: unvalidated input can allow a malicious website to process restricted web content     outside the       sandbox (bsc#1271638).
    - CVE-2026-43726: use-after-free issue when processing web content can lead to an unexpected process crash       (bsc#1271638).
    - CVE-2026-43727: use-after-free issue when processing web content can lead to an unexpected Safari crash       (bsc#1271638).
    - CVE-2026-43731: use-after-free issue when processing web content can lead to memory corruption     (bsc#1271638).
    - CVE-2026-43732: path handling issue when processing web content can disclose sensitive user information       (bsc#1271638).
    - CVE-2026-43734: use-after-free issue when processing web content can lead to an unexpected process crash       (bsc#1271638).
    - CVE-2026-43740: maliciously crafted web content can result in the disclosure of process memory     (bsc#1271638).
    - CVE-2026-43742: use-after-free issue when processing web content can lead to an unexpected process crash       (bsc#1271638).
    - CVE-2026-43745: out-of-bounds write issue when processing web content can lead to an unexpected Safari     crash       (bsc#1271638).

    Changes for webkit2gtk3:

    - Update to version 2.52.5:

     * Fire scrollend event for instant programmatic scrolls.
     * Increase network idle connection timeout to 115 seconds.
     * Add User-Agent quirk for HBO Max.
     * Fix the build with system malloc.

Tenable has extracted the preceding description block directly from the SUSE 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 MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1340:06 advisory.

    * Mozilla: Arbitrary JavaScript execution in PDF.js (CVE-2024-4367)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-39872)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43663)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43676)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43699)
      * webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox     (CVE-2026-43701)
      * webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43705)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43707)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43712)
      * webkitgtk: webkitgtk: Visiting a website may leak sensitive data (CVE-2026-43713)
      * webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43715)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43716)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43720)
      * webkitgtk: webkitgtk: A malicious website may silently hijack clipboard data (CVE-2026-43721)
      * webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox     (CVE-2026-43725)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43726)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43727)
      * webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43731)
      * webkitgtk: webkitgtk: Maliciously crafted web content may disclose sensitive user information     (CVE-2026-43732)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43734)
      * webkitgtk: webkitgtk: Maliciously crafted web content may disclose process memory (CVE-2026-43740)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43742)
      * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash     (CVE-2026-43745)

Tenable has extracted the preceding description block directly from the MiracleLinux 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 Apple iOS running on the mobile device is prior to 26.5.2. It is, therefore, affected by multiple vulnerabilities.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
323673	macOS 26.x < 26.5.2 Multiple Vulnerabilities (127595)	Nessus	MacOS X Local Security Checks	2026/6/29	2026/7/31	critical
326390	Fedora 44 : webkitgtk (2026-3bc4b3ccb3)	Nessus	Fedora Local Security Checks	2026/7/12	2026/7/13	high
328353	RHEL 9 : webkit2gtk3 (RHSA-2026:42062)	Nessus	Red Hat Local Security Checks	2026/7/20	2026/7/22	high
328795	AlmaLinux 9 : webkit2gtk3 (ALSA-2026:42062)	Nessus	Alma Linux Local Security Checks	2026/7/21	2026/7/22	high
327439	Linux Distros Unpatched Vulnerability : CVE-2026-43740	Nessus	Misc.	2026/7/16	2026/7/30	medium
330550	SUSE SLED15: WebKitGTK-4.0-lang / WebKitGTK-4.1-lang / WebKitGTK-6.0-lang / etc (SUSE-SU-2026:3338-1)	Nessus	SuSE Local Security Checks	2026/7/29	2026/7/30	high
328783	AlmaLinux 8 : webkit2gtk3 (ALSA-2026:42088)	Nessus	Alma Linux Local Security Checks	2026/7/21	2026/7/22	high
331423	SUSE SLES15: WebKitGTK-4.0-lang / WebKitGTK-4.1-lang / WebKitGTK-6.0-lang / etc (SUSE-SU-2026:3396-1)	Nessus	SuSE Local Security Checks	2026/7/31	2026/7/31	high
329279	MiracleLinux 8 : webkit2gtk3-2.52.5-1.el8_10.ML.1 (AXSA:2026-1340:06)	Nessus	Miracle Linux Local Security Checks	2026/7/24	2026/7/27	high
323674	Apple iOS < 26.5.2 Multiple Vulnerabilities (127594)	Nessus	Mobile Devices	2026/6/29	2026/7/31	critical

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