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Rocky Linux 9.6 [TuxCare] Security Update: webkit2gtk3 / webkit2gtk3-devel / webkit2gtk3-jsc / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1790805563)

high Nessus Plugin ID 353335

Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1790805563 advisory.

 - Uninitialized Use in Skia in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross- origin data via a crafted HTML page. (Chromium security severity: Medium) (CVE-2026-17771)

 - Improper state validation in Skia in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High) (CVE-2026-91733)

 - Uninitialized resource in Skia in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High) (CVE-2026-91740)

 - Use after free in Skia in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High) (CVE-2026-91747)

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 based on the guidance in TuxCare advisory ALMALINUX9.6:CLSA-2026:1790805563.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2026:1790805563

http://www.nessus.org/u?5505dcb2

Plugin Details

Severity: High

ID: 353335

File Name: tuxcare_rocky_linux_9.6_CLSA-2026-1790805563.nasl

Version: 1.1

Type: Local

Published: 9/30/2026

Updated: 9/30/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.18

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-91740

CVSS v3

Risk Factor: High

Base Score: 8.3

Temporal Score: 7.2

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

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

CVSS Score Source: CVE-2026-91733

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party

Exploit Ease: No known exploits are available

Patch Publication Date: 9/30/2026

Vulnerability Publication Date: 7/29/2026

Reference Information

CVE: CVE-2026-17771, CVE-2026-91733, CVE-2026-91740, CVE-2026-91747

CLSA: 2026:1790805563