RockyLinux 8 : webkit2gtk3 (RLSA-2026:25918)

high Nessus Plugin ID 321343

Synopsis

The remote RockyLinux host is missing one or more security updates.

Description

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.

Solution

Update the affected packages.

See Also

https://errata.rockylinux.org/RLSA-2026:25918

https://bugzilla.redhat.com/show_bug.cgi?id=2471790

https://bugzilla.redhat.com/show_bug.cgi?id=2483955

https://bugzilla.redhat.com/show_bug.cgi?id=2483956

https://bugzilla.redhat.com/show_bug.cgi?id=2483957

https://bugzilla.redhat.com/show_bug.cgi?id=2483958

https://bugzilla.redhat.com/show_bug.cgi?id=2483959

https://bugzilla.redhat.com/show_bug.cgi?id=2483960

https://bugzilla.redhat.com/show_bug.cgi?id=2483961

https://bugzilla.redhat.com/show_bug.cgi?id=2483962

https://bugzilla.redhat.com/show_bug.cgi?id=2483963

https://bugzilla.redhat.com/show_bug.cgi?id=2483964

https://bugzilla.redhat.com/show_bug.cgi?id=2483965

https://bugzilla.redhat.com/show_bug.cgi?id=2483966

https://bugzilla.redhat.com/show_bug.cgi?id=2483967

https://bugzilla.redhat.com/show_bug.cgi?id=2483968

https://bugzilla.redhat.com/show_bug.cgi?id=2483969

Plugin Details

Severity: High

ID: 321343

File Name: rocky_linux_RLSA-2026-25918.nasl

Version: 1.1

Type: Local

Published: 6/17/2026

Updated: 6/17/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-43658

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2026-28947

Vulnerability Information

CPE: p-cpe:/a:rocky:linux:webkit2gtk3-devel-debuginfo, p-cpe:/a:rocky:linux:webkit2gtk3-jsc-devel-debuginfo, p-cpe:/a:rocky:linux:webkit2gtk3-jsc-debuginfo, p-cpe:/a:rocky:linux:webkit2gtk3-jsc, p-cpe:/a:rocky:linux:webkit2gtk3-debuginfo, p-cpe:/a:rocky:linux:webkit2gtk3-devel, p-cpe:/a:rocky:linux:webkit2gtk3-debugsource, p-cpe:/a:rocky:linux:webkit2gtk3-jsc-devel, p-cpe:/a:rocky:linux:webkit2gtk3, cpe:/o:rocky:linux:8

Required KB Items: Host/local_checks_enabled, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 6/17/2026

Vulnerability Publication Date: 5/11/2026

Reference Information

CVE: 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