The remote host is running a version of macOS / Mac OS X that is 26.x prior to 26.5. It is, therefore, affected by multiple vulnerabilities:

  - A specially-crafted file can cause libjxl's decoder to write pixel data to uninitialized unallocated     memory. Soon after that data from another uninitialized unallocated region is copied to pixel data. This     can be done by requesting color transformation of grayscale images to another grayscale color space.
    Buffers allocated for 1-float-per-pixel are used as if they are allocated for 3-float-per-pixel. That     happens only if LCMS2 is used as CMS engine. There is another CMS engine available (selected by build     flags). (CVE-2026-1837)

  - When doing multi-threaded LDAPS transfers (LDAP over TLS) with libcurl, changing TLS options in one thread     would inadvertently change them globally and therefore possibly also affect other concurrently setup     transfers. Disabling certificate verification for a specific transfer could unintentionally disable the     feature for other threads as well. (CVE-2025-14017)

  - When doing TLS related transfers with reused easy or multi handles and altering the     `CURLSSLOPT_NO_PARTIALCHAIN` option, libcurl could accidentally reuse a CA store cached in memory for     which the partial chain option was reversed. Contrary to the user's wishes and expectations. This could     make libcurl find and accept a trust chain that it otherwise would not. (CVE-2025-14819)

  - An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS     18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able     to execute arbitrary code with kernel privileges. (CVE-2026-28819)

  - A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and     iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS     26.5, visionOS 26.5, watchOS 26.5. A remote attacker may be able to cause unexpected app termination.
    (CVE-2026-28846)

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

The version of webkitgtk4 installed on the remote host is prior to 2.52.6-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3891 advisory.

    The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS     18.7.10. Processing maliciously crafted web content may lead to an unexpected Safari crash.
    (CVE-2026-28984)

    This issue was addressed through improved state management. This issue is fixed in Safari 26.6, iOS 26.6     and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6. Visiting a website may lead to an app denial-of-service.
    (CVE-2026-43804)

    This issue was addressed with improved checks. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS     26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Websites may know if the user has visited     a given link. (CVE-2026-64713)

    An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in Safari     26.6, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS     26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
    (CVE-2026-64719)

    A permissions issue was addressed with improved validation. This issue is fixed in Safari 26.6, iOS 26.6     and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Maliciously crafted web content     may violate iframe sandboxing policy. (CVE-2026-64728)

    The issue was addressed with improved UI. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6,     macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Visiting a website that frames malicious content     may lead to UI spoofing. (CVE-2026-64730)

    A memory corruption issue was addressed with improved state management. This issue is fixed in Safari     26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously     crafted web content may lead to an unexpected Safari crash. (CVE-2026-64757)

    A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6,     iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted     web content may lead to an unexpected Safari crash. (CVE-2026-64783)

    A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari     26.6.1, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously crafted web content may     lead to an unexpected process termination. (CVE-2026-64787)

Tenable has extracted the preceding description block directly from the tested product 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. It is, therefore, affected by multiple vulnerabilities.

The version of Apple iOS running on the mobile device is prior to 18.7.10. It is, therefore, affected by multiple vulnerabilities.

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, iOS 18.7.10 and     iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5.
    Processing maliciously crafted web content may lead to an unexpected Safari crash. (CVE-2026-28984)

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

ID	Name	Product	Family	Published	Updated	Severity
314172	macOS 26.x < 26.5 Multiple Vulnerabilities (127115)	Nessus	MacOS X Local Security Checks	5/11/2026	8/26/2026	high
341901	Amazon Linux 2 : webkitgtk4, --advisory ALAS2-2026-3891 (ALAS-2026-3891)	Nessus	Amazon Linux Local Security Checks	8/31/2026	8/31/2026	high
314173	Apple iOS < 26.5 Multiple Vulnerabilities (127110)	Nessus	Mobile Devices	5/11/2026	8/28/2026	high
335967	Apple iOS < 18.7.10 Multiple Vulnerabilities (148287)	Nessus	Mobile Devices	8/17/2026	8/21/2026	critical
338283	Linux Distros Unpatched Vulnerability : CVE-2026-28984	Nessus	Misc.	8/20/2026	9/2/2026	medium

Detections

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high

high

high

critical

medium