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-2026:2376-1 advisory.

    This update for webkit2gtk3 fixes the following issues

    Update to version 2.52.4:

    Security fixes:

    - CVE-2026-28847: processing maliciously crafted web content may lead to an unexpected process crash or     arbitrary code       execution due to a heap buffer overflow (bsc#1267506).
    - CVE-2026-28883: processing maliciously crafted web content may lead to an unexpected process crash due     to a use-after-       free issue (bsc#1267507).
    - CVE-2026-28901: processing maliciously crafted web content may lead to an unexpected process crash due     to improper       memory handling (bsc#1267508).
    - CVE-2026-28902: processing maliciously crafted web content may lead to an unexpected process crash due     to improper       memory handling (bsc#1267509).
    - CVE-2026-28903: processing maliciously crafted web content may lead to an unexpected process crash due     to improper       memory handling (bsc#1267510).
    - CVE-2026-28904: processing maliciously crafted web content may lead to an unexpected process crash due     to improper       memory handling (bsc#1267511).
    - CVE-2026-28905: processing maliciously crafted web content may lead to an unexpected process crash due     to improper       memory handling (bsc#1267512).
    - CVE-2026-28907: processing maliciously crafted web content may prevent Content Security Policy from     being enforced due       to improper input validation (bsc#1267513).
    - CVE-2026-28942: processing maliciously crafted web content may lead to an unexpected crash due to use-     after-free       (bsc#1267514).
    - CVE-2026-28946: processing maliciously crafted web content may lead to an unexpected crash due to a use-     after-free       (bsc#1267515).
    - CVE-2026-28947: rocessing maliciously crafted web content may lead to an unexpected crash due to a use-     after-free       (bsc#1267516).
    - CVE-2026-28953: processing maliciously crafted web content may lead to an unexpected process crash due     to improper       memory handling (bsc#1267517).
    - CVE-2026-28955: processing maliciously crafted web content may lead to an unexpected process crash due     to improper       memory handling (bsc#1267518).
    - CVE-2026-28958: an app may be able to access sensitive user data due to improper data protection     (bsc#1267519).
    - CVE-2026-43658: processing maliciously crafted web content may lead to an unexpected crash due to     improper memory       handling (bsc#1267520).
    - CVE-2026-43660: processing maliciously crafted web content may prevent Content Security Policy from     being enforced due       to issues with logic (bsc#1267521).

    Other fixes:

    - Add patch to fix a crash on evolution (bsc#1264745).

    Changes:

     - Add support for half-width fonts.
     + Improve content filter compilation by avoiding file copies.
     + Improve handling of out of disk space conditions when the      NetworkProcess tried to write data in caches.
     + Improve how the CMake build system checks whether libatomic is      required.
     + Fix painting scrollbars when their width changes.
     + Fix playback of certain YouTube videos with low frame rates.
     + Fix webkit://gpu not working in systems where neither      libGL.so.1 nor libOpenGL.so.0 are available.
     + Fix the build with librice 0.4 or newer when the GStreamer      WebRTC backend is enabled at build configuration time.
     + Fix the build with USE_GSTREAMER_WEBRTC=OFF.
     + Fix the build with USE_GBM=OFF.
     + Fix several crashes and rendering issues.
     + Add support for the 'scrollbar-color' CSS property.
     + Fix some emoji glyphs being rendered as missing glyph boxes.
     + Fix JavaScriptCore crashes on architectures other than x86_64.
     + Fix the build on s390x.
     + Changes in version 2.52.2:
     + Improve handling of real-time threads.
     + Fix scrollbar rendering glitches visible in some GPU      configurations.
     + Fix V4L2 hardware accelerated media codecs now working due to      overly restrictive sandbox device access rules.
     + Fix leak of bitmap images in      webkit_favicon_database_get_favicon_finish().
     + Fix the build with USE_GTK4=OFF.

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 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:25918 advisory.

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

    Security Fix(es):

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-28946)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28847)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28883)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28901)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28902)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28903)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28904)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28905)

    * webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from being     enforced (CVE-2026-28907)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-28942)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-28947)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28953)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28955)

    * webkitgtk: An app may be able to access sensitive user data (CVE-2026-28958)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-43658)

    * webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from being     enforced (CVE-2026-43660)

    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 Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:25927 advisory.

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

    Security Fix(es):

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-28946)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28847)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28883)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28901)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28902)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28903)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28904)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28905)

    * webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from being     enforced (CVE-2026-28907)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-28942)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-28947)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28953)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28955)

    * webkitgtk: An app may be able to access sensitive user data (CVE-2026-28958)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-43658)

    * webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from being     enforced (CVE-2026-43660)

    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 RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:25918 advisory.

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-28946)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28847)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28883)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28901)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28902)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28903)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28904)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28905)

    * webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from being     enforced (CVE-2026-28907)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-28942)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-28947)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28953)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28955)

    * webkitgtk: An app may be able to access sensitive user data (CVE-2026-28958)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-43658)

    * webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from being     enforced (CVE-2026-43660)

Tenable has extracted the preceding description block directly from the RockyLinux 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 Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-25927 advisory.

    [2.52.4-1]
    - Update to 2.52.4

Tenable has extracted the preceding description block directly from the Oracle 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 Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:28147 advisory.

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

    Security Fix(es):

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-28946)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28847)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28883)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28901)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28902)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28903)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28904)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28905)

    * webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from being     enforced (CVE-2026-28907)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-28942)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-28947)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28953)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash     (CVE-2026-28955)

    * webkitgtk: An app may be able to access sensitive user data (CVE-2026-28958)

    * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash     (CVE-2026-43658)

    * webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from being     enforced (CVE-2026-43660)

    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 SUSE Linux SLES16 / SLES_SAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:22212-1 advisory.

    This update for webkit2gtk3 fixes the following issues

    Update to version 2.52.4:

    - CVE-2026-28847: processing maliciously crafted web content may lead to an unexpected process crash or     arbitrary code       execution due to a heap buffer overflow (bsc#1267506).
    - CVE-2026-28883: processing maliciously crafted web content may lead to an unexpected process crash due     to a use-after-       free issue (bsc#1267507).
    - CVE-2026-28901: processing maliciously crafted web content may lead to an unexpected process crash due     to improper       memory handling (bsc#1267508).
    - CVE-2026-28902: processing maliciously crafted web content may lead to an unexpected process crash due     to improper       memory handling (bsc#1267509).
    - CVE-2026-28903: processing maliciously crafted web content may lead to an unexpected process crash due     to improper       memory handling (bsc#1267510).
    - CVE-2026-28904: processing maliciously crafted web content may lead to an unexpected process crash due     to improper       memory handling (bsc#1267511).
    - CVE-2026-28905: processing maliciously crafted web content may lead to an unexpected process crash due     to improper       memory handling (bsc#1267512).
    - CVE-2026-28907: processing maliciously crafted web content may prevent Content Security Policy from     being enforced due       to improper input validation (bsc#1267513).
    - CVE-2026-28942: processing maliciously crafted web content may lead to an unexpected crash due to use-     after-free       (bsc#1267514).
    - CVE-2026-28946: processing maliciously crafted web content may lead to an unexpected crash due to a use-     after-free       (bsc#1267515).
    - CVE-2026-28947: rocessing maliciously crafted web content may lead to an unexpected crash due to a use-     after-free       (bsc#1267516).
    - CVE-2026-28953: processing maliciously crafted web content may lead to an unexpected process crash due     to improper       memory handling (bsc#1267517).
    - CVE-2026-28955: processing maliciously crafted web content may lead to an unexpected process crash due     to improper       memory handling (bsc#1267518).
    - CVE-2026-28958: an app may be able to access sensitive user data due to improper data protection     (bsc#1267519).
    - CVE-2026-43658: processing maliciously crafted web content may lead to an unexpected crash due to     improper memory       handling (bsc#1267520).
    - CVE-2026-43660: processing maliciously crafted web content may prevent Content Security Policy from     being enforced due       to issues with logic (bsc#1267521).

    Changes for webkit2gtk3:

     - Add support for half-width fonts.
     + Improve content filter compilation by avoiding file copies.
     + Improve handling of out of disk space conditions when the      NetworkProcess tried to write data in caches.
     + Improve how the CMake build system checks whether libatomic is      required.
     + Fix painting scrollbars when their width changes.
     + Fix playback of certain YouTube videos with low frame rates.
     + Fix webkit://gpu not working in systems where neither      libGL.so.1 nor libOpenGL.so.0 are available.
     + Fix the build with librice 0.4 or newer when the GStreamer      WebRTC backend is enabled at build configuration time.
     + Fix the build with USE_GSTREAMER_WEBRTC=OFF.
     + Fix the build with USE_GBM=OFF.
     + Fix several crashes and rendering issues.
     + Security fixes: CVE-2026-28847, CVE-2026-28883, CVE-2026-28901,      CVE-2026-28902, CVE-2026-28903, CVE-2026-28904,      CVE-2026-28905, CVE-2026-28907, CVE-2026-28942, CVE-2026-28946,      CVE-2026-28947, CVE-2026-28953, CVE-2026-28955, CVE-2026-28958,      CVE-2026-43658, CVe-2026-43660.
     + Changes in version .52.3;
     + Add support for the scrollbar-color CSS property.
     + Fix some emoji glyphs being rendered as missing glyph boxes.
     + Fix JavaScriptCore crashes on architectures other than x86_64.
     + Fix the build on s390x.
     + Changes in version 2.52.2:
     + Improve handling of real-time threads.
     + Fix scrollbar rendering glitches visible in some GPU      configurations.
     + Fix V4L2 hardware accelerated media codecs now working due to      overly restrictive sandbox device access rules.
     + Fix leak of bitmap images in      webkit_favicon_database_get_favicon_finish().
     + Fix the build with USE_GTK4=OFF.

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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
320997	SUSE SLED15 / SLES15 Security Update : webkit2gtk3 (SUSE-SU-2026:2376-1)	Nessus	SuSE Local Security Checks	2026/6/14	2026/7/3	high
321098	RHEL 8 : webkit2gtk3 (RHSA-2026:25918)	Nessus	Red Hat Local Security Checks	2026/6/15	2026/7/3	high
321111	RHEL 9 : webkit2gtk3 (RHSA-2026:25927)	Nessus	Red Hat Local Security Checks	2026/6/15	2026/7/3	high
321343	RockyLinux 8 : webkit2gtk3 (RLSA-2026:25918)	Nessus	Rocky Linux Local Security Checks	2026/6/17	2026/7/3	high
322734	Oracle Linux 9 : webkit2gtk3 (ELSA-2026-25927)	Nessus	Oracle Linux Local Security Checks	2026/6/25	2026/7/2	high
322849	RHEL 9 : webkit2gtk3 (RHSA-2026:28147)	Nessus	Red Hat Local Security Checks	2026/6/26	2026/7/2	high
322926	SUSE SLES16: WebKitGTK-4.1-lang / WebKitGTK-6.0-lang / etc (SUSE-SU-2026:22212-1)	Nessus	SuSE Local Security Checks	2026/6/26	2026/7/2	high

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