SB2026102836 - Red Hat Enterprise Linux 8 update for webkit2gtk3



SB2026102836 - Red Hat Enterprise Linux 8 update for webkit2gtk3

Published: October 28, 2026

Security Bulletin ID SB2026102836
CSH Severity
High
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 33% Medium 50% Low 17%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2026-95325)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within ANGLE in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.


2) Out-of-bounds write (CVE-ID: CVE-2026-95331)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted HTML content in ANGLE. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger out-of-bounds write and execute arbitrary code on the target system.


3) Out-of-bounds read (CVE-ID: CVE-2026-106304)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the ANGLE component in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger an out-of-bounds read error and gain access to sensitive information.


4) Buffer overflow (CVE-ID: CVE-2026-106247)

CWE-ID: CWE-120 - Buffer overflow

CVSSv4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to crash the browser.

The vulnerability exists due to boundary error in ANGLE in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a buffer overflow and crash the browser.


5) Type Confusion (CVE-ID: CVE-2026-106293)

CWE-ID: CWE-843 - Type confusion

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error within the ANGLE component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a type confusion error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


6) Use of uninitialized resource (CVE-ID: CVE-2026-106245)

CWE-ID: CWE-908 - Use of Uninitialized Resource

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to usage of uninitialized resources in ANGLE in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger uninitialized usage of resources and compromise the affected system.


Remediation

Install update from vendor's website.