The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3555-1 advisory.

    This update for webkit2gtk3 fixes the following issue:

    Security fixes:

    - 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:
      WebKitGTK and WPE WebKit Security Advisory WSA-2026-0004 (bsc#1271638).

    Other fixes:

    - Update to version 2.52.5 (bsc#1271638):
     + 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.
     + Fix several crashes and rendering issues.

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 Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:54634 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.

ID	Name	Product	Family	Published	Updated	Severity
334703	SUSE SLES12: libjavascriptcoregtk-4_0-18 / libwebkit2gtk-4_0-37 / etc (SUSE-SU-2026:3555-1)	Nessus	SuSE Local Security Checks	8/12/2026	8/17/2026	high
335246	RHEL 9 : webkit2gtk3 (RHSA-2026:54634)	Nessus	Red Hat Local Security Checks	8/13/2026	8/14/2026	high

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