The version of webkitgtk4 installed on the remote host is prior to 2.50.4-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-3114 advisory.

    A flaw was found in WebKitGTK and WPE WebKit. This vulnerability allows an out-of-bounds read and integer     underflow, leading to a UIProcess crash (DoS) via a crafted payload to the GLib remote inspector server.
    (CVE-2025-13502)

    A flaw was found in WebKitGTK. This vulnerability allows remote, user-assisted information disclosure that     can reveal any file the user is permitted to read via abusing the file drag-and-drop mechanism where     WebKitGTK does not verify that drag operations originate from outside the browser. (CVE-2025-13947)

    The issue was addressed with improved checks. This issue is fixed in watchOS 11.5, tvOS 18.5, iOS 18.5 and     iPadOS 18.5, macOS Sequoia 15.5, visionOS 2.5, Safari 18.5. Processing maliciously crafted web content may     lead to memory corruption. (CVE-2025-31223)

    The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, watchOS 11.6,     visionOS 2.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6. Processing maliciously crafted web     content may lead to memory corruption. (CVE-2025-31277)

    The issue was addressed with improved handling of caches. This issue is fixed in iOS 18.7.2 and iPadOS     18.7.2. A website may exfiltrate image data cross-origin. (CVE-2025-43392)

    The issue was addressed with improved memory handling. This issue is fixed in Safari 26, tvOS 26, watchOS     26, iOS 26 and iPadOS 26, visionOS 26. Processing maliciously crafted web content may lead to memory     corruption. (CVE-2025-43419)

    Multiple issues were addressed by disabling array allocation sinking. This issue is fixed in iOS 26.1 and     iPadOS 26.1, Safari 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an     unexpected process crash. (CVE-2025-43421)

    The issue was addressed with improved memory handling. This issue is fixed in Safari 26.1, visionOS 26.1,     watchOS 26.1, iOS 26.1 and iPadOS 26.1, tvOS 26.1. Processing maliciously crafted web content may lead to     an unexpected process crash. (CVE-2025-43425)

    This issue was addressed through improved state management. This issue is fixed in iOS 26.1 and iPadOS     26.1, tvOS 26.1, Safari 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an     unexpected process crash. (CVE-2025-43427)

    A buffer overflow was addressed with improved bounds checking. 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-2025-43429)

    This issue was addressed through improved state management. This issue is fixed in Safari 26.1, visionOS     26.1, watchOS 26.1, iOS 26.1 and iPadOS 26.1, tvOS 26.1. Processing maliciously crafted web content may     lead to an unexpected process crash. (CVE-2025-43430)

    The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS     18.7.2. Processing maliciously crafted web content may lead to memory corruption. (CVE-2025-43431)

    A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.1,     visionOS 26.1, watchOS 26.1, iOS 26.1 and iPadOS 26.1, tvOS 26.1. Processing maliciously crafted web     content may lead to an unexpected process crash. (CVE-2025-43432)

    The issue was addressed with improved memory handling. This issue is fixed in tvOS 26.1, watchOS 26.1,     macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, visionOS 26.1.
    Processing maliciously crafted web content may lead to memory corruption. (CVE-2025-43433)

    A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.2     and iPadOS 18.7.2. Processing maliciously crafted web content may lead to an unexpected Safari crash.
    (CVE-2025-43434)

    A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.1,     macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, visionOS 26.1.
    Processing maliciously crafted web content may lead to an unexpected Safari crash. (CVE-2025-43438)

    This issue was addressed with improved checks This issue is fixed in Safari 26.1, visionOS 26.1, watchOS     26.1, iOS 26.1 and iPadOS 26.1, tvOS 26.1. Processing maliciously crafted web content may lead to an     unexpected process crash. (CVE-2025-43440)

    The issue was addressed with improved memory handling. This issue is fixed in tvOS 26.1, macOS Tahoe 26.1,     iOS 26.1 and iPadOS 26.1, Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, visionOS 26.1. Processing maliciously     crafted web content may lead to an unexpected process crash. (CVE-2025-43441)

    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)

    This issue was addressed through improved state management. 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-2025-43458)

    A flaw was found in WebKitGTK. Processing malicious web content can cause a buffer overflow due to     improper memory handling and result in an unexpected process crash. (CVE-2025-43501)

    A flaw was found in webkitgtk where when processing a maliciously crafted web content a use-after-free     type of weaknesses may be triggered leading to a remote code execution in the client machine.
    (CVE-2025-43529)

    A flaw was found in WebKitGTK. Processing malicious web content can cause a race condition due to improper     state handling and result in an unexpected process crash. (CVE-2025-43531)

    A flaw was found in WebKitGTK. Processing malicious web content can cause an unexpected process crash due     to improper memory handling. (CVE-2025-43535)

    A flaw was found in WebKitGTK. Processing malicious web content can cause a use-after-free issue due to     improper memory management and result in an unexpected process crash. (CVE-2025-43536)

    A flaw was found in WebKitGTK. Processing malicious web content can cause a type confusion issue due to     improper state handling and result in an unexpected crash. (CVE-2025-43541)

    A flaw was found in WebKitGTK. Processing malicious web content can cause an unexpected process crash due     to improper memory handling. (CVE-2025-66287)

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.

Detections

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Amazon Linux 2 : webkitgtk4, --advisory ALAS2-2025-3114 (ALAS-2025-3114)

high Nessus Plugin ID 281806

Version 1.2