RHEL 9 : webkit2gtk3 (RHSA-2026:98455)

critical Nessus Plugin ID 379029

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:98455 advisory.

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

Security Fix(es):

* chromium-browser: skia: chromium-browser: skia: Inappropriate implementation in Skia (CVE-2023-4860)

* chromium-browser: skia: chromium-browser: skia: Out of bounds memory access in Skia in Google Chrome allows a remote attacker who had compromised the renderer process to perform out of bounds memory access via a crafted HTML page (CVE-2024-7966)

* chromium: skia: chromium: skia: Heap buffer overflow in Skia (CVE-2024-8193)

* chromium: skia: chromium: skia: Heap buffer overflow in Skia (CVE-2024-8198)

* chromium: skia: chromium: skia: Heap buffer overflow in Skia (CVE-2024-8636)

* chromium-browser: skia: chromium-browser: skia: Integer overflow in Skia in Google Chrome (CVE-2024-9123)

* chromium-browser: skia: chromium-browser: skia: Integer overflow in Skia (CVE-2025-0436)

* chromium-browser: skia: chromium-browser: skia: Use after free in Skia (CVE-2025-0444)

* chromium-browser: skia: chromium-browser: skia: Integer overflow in Skia (CVE-2026-3538)

* chromium-browser: skia: chromium-browser: skia: Heap buffer overflow in Skia (CVE-2026-3931)

* chromium-browser: skia: chromium-browser: skia: Out of bounds read in Skia (CVE-2026-4460)

* chromium-browser: skia: chromium-browser: skia: Integer overflow in Skia (CVE-2026-5870)

* chromium-browser: skia: chromium-browser: skia: Out of bounds read in Skia (CVE-2026-6364)

* chromium-browser: skia: chromium-browser: skia: Heap buffer overflow in Skia (CVE-2026-6298)

* chromium-browser: skia: chromium-browser: skia: Heap buffer overflow in Skia (CVE-2026-7353)

* chromium-browser: skia: chromium-browser: skia: Out of bounds read in Skia (CVE-2026-7949)

* chromium-browser: skia: chromium-browser: skia: Out of bounds write in Skia (CVE-2026-7923)

* chromium-browser: skia: chromium-browser: skia: Use after free in Skia (CVE-2026-7920)

* chromium-browser: skia: chromium-browser: skia: Integer overflow in Skia (CVE-2026-8510)

* chromium-browser: skia: chromium-browser: skia: Insufficient validation of untrusted input in Skia (CVE-2026-8579)

* chromium-browser: skia: chromium-browser: skia: Use after free in Skia (CVE-2026-9923)

* chromium-browser: skia: chromium-browser: skia: Insufficient validation of untrusted input in Skia (CVE-2026-10020)

* chromium-browser: skia: chromium-browser: skia: Integer overflow in Skia (CVE-2026-9909)

* chromium-browser: skia: chromium-browser: skia: Use after free in Skia (CVE-2026-10012)

* chromium-browser: skia: chromium-browser: skia: Use after free in Skia (CVE-2026-9893)

* chromium-browser: skia: chromium-browser: skia: Inappropriate implementation in Skia (CVE-2026-9981)

* chromium-browser: skia: chromium-browser: skia: Integer overflow in Skia (CVE-2026-9998)

* chromium-browser: skia: chromium-browser: skia: Inappropriate implementation in Skia (CVE-2026-10011)

* chromium-browser: skia: chromium-browser: skia: Inappropriate implementation in Skia (CVE-2026-9892)

* chromium-browser: skia: chromium-browser: skia: Type Confusion in Skia (CVE-2026-9983)

* chromium-browser: skia: chromium-browser: skia: Integer overflow in Skia (CVE-2026-10009)

* chromium-browser: skia: chromium-browser: skia: Out of bounds read in Skia (CVE-2026-10985)

* chromium-browser: skia: chromium-browser: skia: Heap buffer overflow in Skia (CVE-2026-10993)

* chromium-browser: skia: chromium-browser: skia: Stack buffer overflow in Skia (CVE-2026-11024)

* chromium-browser: skia: chromium-browser: skia: Insufficient validation of untrusted input in Skia (CVE-2026-11121)

* chromium-browser: skia: chromium-browser: skia: Uninitialized Use in Skia (CVE-2026-11057)

* chromium-browser: skia: chromium-browser: skia: Heap buffer overflow in Skia (CVE-2026-11124)

* chromium-browser: skia: chromium-browser: skia: Uninitialized Use in Skia (CVE-2026-11039)

* chromium-browser: skia: chromium-browser: skia: Uninitialized Use in Skia (CVE-2026-11159)

* chromium-browser: skia: chromium-browser: skia: Uninitialized Use in Skia (CVE-2026-10977)

* chromium-browser: skia: chromium-browser: skia: Out of bounds write in Skia (CVE-2026-10925)

* chromium-browser: skia: chromium-browser: skia: Out of bounds memory access in Skia (CVE-2026-10941)

* chromium-browser: skia: chromium-browser: skia: Vulnerability in Skia (CVE-2026-11099)

* chromium-browser: skia: chromium-browser: skia: Use after free in Skia (CVE-2026-11663)

* chromium-browser: skia: chromium-browser: skia: Insufficient validation of untrusted input in Skia (CVE-2026-11675)

* chromium-browser: skia: chromium-browser: skia: Integer overflow in Skia (CVE-2026-13841)

* chromium-browser: skia: chromium-browser: skia: Uninitialized Use in Skia (CVE-2026-13971)

* chromium-browser: skia: chromium-browser: skia: Out of bounds read in Skia (CVE-2026-13820)

* chromium-browser: skia: chromium-browser: skia: Use after free in Skia (CVE-2026-13885)

* chromium-browser: skia: chromium-browser: skia: Insufficient validation of untrusted input in Skia (CVE-2026-13781)

* chromium-browser: skia: chromium-browser: skia: Insufficient validation of untrusted input in Skia (CVE-2026-14414)

* chromium-browser: skia: chromium-browser: skia: Integer overflow in Skia (CVE-2026-14389)

* chromium-browser: skia: chromium-browser: skia: Integer overflow in Skia (CVE-2026-14387)

* chromium-browser: skia: chromium-browser: skia: Inappropriate implementation in Skia (CVE-2026-14410)

* chromium-browser: skia: chromium-browser: skia: Use after free in Skia (CVE-2026-14419)

* chromium-browser: skia: chromium-browser: skia: Insufficient validation of untrusted input in Skia (CVE-2026-14429)

* chromium-browser: skia: chromium-browser: skia: Heap buffer overflow in Skia (CVE-2026-14427)

* chromium-browser: skia: chromium-browser: skia: Uninitialized Use in Skia (CVE-2026-15766)

* chromium-browser: skia: chromium-browser: skia: Use after free in Skia (CVE-2026-15774)

* chromium-browser: skia: chromium-browser: skia: Information disclosure via uninitialized use in Skia (CVE-2026-16417)

* chromium-browser: skia: chromium-browser: skia: Inappropriate implementation in Skia (CVE-2026-17702)

* chromium-browser: skia: chromium-browser: skia: Uninitialized Use in Skia (CVE-2026-17757)

* chromium-browser: skia: chromium-browser: skia: Side-channel information leakage in Skia (CVE-2026-17914)

* chromium-browser: skia: chromium-browser: skia: Uninitialized Use in Skia (CVE-2026-17992)

* chromium-browser: skia: chromium-browser: skia: Out of bounds read in Skia (CVE-2026-17745)

* chromium-browser: skia: chromium-browser: skia: Race in Skia (CVE-2026-17712)

* chromium-browser: skia: chromium-browser: skia: Uninitialized Use in Skia (CVE-2026-17771)

* chromium-browser: skia: chromium-browser: skia: Use after free in Skia (CVE-2026-17653)

* chromium-browser: skia: chromium-browser: skia: Information disclosure via uninitialized use in Google Chrome (CVE-2026-19160)

* chromium-browser: skia: chromium-browser: Out of bounds read in Skia (CVE-2026-79112)

* chromium-browser: skia: chromium-browser: skia: Information disclosure via uninitialized resource in Skia (CVE-2026-78914)

* chromium-browser: skia: chromium-browser: skia: Information leak via crafted HTML page in Google Chrome (CVE-2026-79147)

* chromium-browser: skia: chromium-browser: Uninitialized resource in Skia (CVE-2026-78958)

* chromium-browser: skia: chromium-browser: Information leak in Skia (CVE-2026-79144)

* webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-65333)

* chromium-browser: skia: chromium-browser: Information leak in Skia (CVE-2026-84359)

* chromium-browser: skia: Skia in chromium-browser: Information disclosure via improper state validation (CVE-2026-91733)

* chromium-browser: skia: Google Chrome: Cross-origin data disclosure due to uninitialized resource in Skia (CVE-2026-91740)

* chromium-browser: skia: chromium-browser: Uninitialized resource in Skia (CVE-2026-102325)

* chromium-browser: skia: Integer overflow in Skia (CVE-2026-103629)

* chromium-browser: skia: Uninitialized resource in Skia (CVE-2026-106379)

* chromium-browser: skia: Out of bounds read in Skia (CVE-2026-106399)

* chromium-browser: skia: Memory corruption in Skia (CVE-2026-113106)

* chromium-browser: skia: Improper input validation in Skia (CVE-2026-118348)

* chromium-browser: skia: Memory corruption in Skia (CVE-2026-118351)

* chromium-browser: skia: Memory corruption in Skia (CVE-2026-118340)

* chromium-browser: skia: Improper input validation in Skia (CVE-2026-118354)

* chromium-browser: skia: Memory corruption in Skia (CVE-2026-118319)

* chromium-browser: skia: Use after free in Skia (CVE-2026-119271)

* chromium-browser: skia: Improper input validation in Skia (CVE-2026-119261)

Bug Fix(es) and Enhancement(s):

* webkit2gtk3 2.54.0 regression breaks Eclipse IDE WebKit-based views on CentOS Stream 9 (JIRA:RHEL-271317)

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.

Solution

Update the affected packages.

Plugin Details

Severity: Critical

ID: 379029

File Name: redhat-RHSA-2026-98455.nasl

Version: 1.2

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 11/11/2026

Updated: 11/12/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.11

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-3538

CVSS v3

Risk Factor: Critical

Base Score: 9.6

Temporal Score: 8.6

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

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

CVSS Score Source: CVE-2026-13781

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-devel, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-jsc-devel, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3-jsc, p-cpe:/a:redhat:enterprise_linux:webkit2gtk3

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/11/2026

Vulnerability Publication Date: 7/16/2024

Reference Information

CVE: CVE-2023-4860, CVE-2024-7966, CVE-2024-8193, CVE-2024-8198, CVE-2024-8636, CVE-2024-9123, CVE-2025-0436, CVE-2025-0444, CVE-2026-10009, CVE-2026-10011, CVE-2026-10012, CVE-2026-10020, CVE-2026-102325, CVE-2026-103629, CVE-2026-106379, CVE-2026-106399, CVE-2026-10925, CVE-2026-10941, CVE-2026-10977, CVE-2026-10985, CVE-2026-10993, CVE-2026-11024, CVE-2026-11039, CVE-2026-11057, CVE-2026-11099, CVE-2026-11121, CVE-2026-11124, CVE-2026-11159, CVE-2026-113106, CVE-2026-11663, CVE-2026-11675, CVE-2026-118319, CVE-2026-118340, CVE-2026-118348, CVE-2026-118351, CVE-2026-118354, CVE-2026-119261, CVE-2026-119271, CVE-2026-13781, CVE-2026-13820, CVE-2026-13841, CVE-2026-13885, CVE-2026-13971, CVE-2026-14387, CVE-2026-14389, CVE-2026-14410, CVE-2026-14414, CVE-2026-14419, CVE-2026-14427, CVE-2026-14429, CVE-2026-15766, CVE-2026-15774, CVE-2026-16417, CVE-2026-17653, CVE-2026-17702, CVE-2026-17712, CVE-2026-17745, CVE-2026-17757, CVE-2026-17771, CVE-2026-17914, CVE-2026-17992, CVE-2026-19160, CVE-2026-3538, CVE-2026-3931, CVE-2026-4460, CVE-2026-5870, CVE-2026-6298, CVE-2026-6364, CVE-2026-65333, CVE-2026-7353, CVE-2026-78914, CVE-2026-78958, CVE-2026-79112, CVE-2026-79144, CVE-2026-79147, CVE-2026-7920, CVE-2026-7923, CVE-2026-7949, CVE-2026-84359, CVE-2026-85049, CVE-2026-8510, CVE-2026-8579, CVE-2026-91733, CVE-2026-91740, CVE-2026-91747, CVE-2026-93387, CVE-2026-9892, CVE-2026-9893, CVE-2026-9909, CVE-2026-9923, CVE-2026-9981, CVE-2026-9983, CVE-2026-9998

CWE: 1021, 119, 120, 122, 125, 1286, 1289, 190, 20, 201, 205, 346, 364, 368, 472, 787, 807, 824, 825, 843, 908

RHSA: 2026:98455

Detections

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