RockyLinux 8 : webkit2gtk3 (RLSA-2026:42088)

high Nessus Plugin ID 328729

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-2026:42088 advisory.

* 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)

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://bugzilla.redhat.com/show_bug.cgi?id=2280382

https://bugzilla.redhat.com/show_bug.cgi?id=2500519

https://bugzilla.redhat.com/show_bug.cgi?id=2500520

https://bugzilla.redhat.com/show_bug.cgi?id=2500521

https://bugzilla.redhat.com/show_bug.cgi?id=2500522

https://bugzilla.redhat.com/show_bug.cgi?id=2500523

https://bugzilla.redhat.com/show_bug.cgi?id=2500524

https://bugzilla.redhat.com/show_bug.cgi?id=2500525

https://bugzilla.redhat.com/show_bug.cgi?id=2500526

https://bugzilla.redhat.com/show_bug.cgi?id=2500527

https://bugzilla.redhat.com/show_bug.cgi?id=2500528

https://bugzilla.redhat.com/show_bug.cgi?id=2500529

https://bugzilla.redhat.com/show_bug.cgi?id=2500530

https://bugzilla.redhat.com/show_bug.cgi?id=2500531

https://bugzilla.redhat.com/show_bug.cgi?id=2500532

https://bugzilla.redhat.com/show_bug.cgi?id=2500533

https://bugzilla.redhat.com/show_bug.cgi?id=2500534

https://bugzilla.redhat.com/show_bug.cgi?id=2500535

https://bugzilla.redhat.com/show_bug.cgi?id=2500536

https://bugzilla.redhat.com/show_bug.cgi?id=2500537

https://bugzilla.redhat.com/show_bug.cgi?id=2500538

https://bugzilla.redhat.com/show_bug.cgi?id=2500539

https://bugzilla.redhat.com/show_bug.cgi?id=2500540

https://errata.rockylinux.org/RLSA-2026:42088

Plugin Details

Severity: High

ID: 328729

File Name: rocky_linux_RLSA-2026-42088.nasl

Version: 1.1

Type: Local

Published: 7/21/2026

Updated: 7/21/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.5

Percentile: 99.86

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

CVSS Score Source: CVE-2024-4367

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

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:H/RL:O/RC:C

Vulnerability Information

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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/21/2026

Vulnerability Publication Date: 5/7/2024

Reference Information

CVE: 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