RLSA-2026:91580: Important: webkit2gtk3 security update

Q: What level of access does an attacker need?

The listed severity vector indicates that exploitation can be performed over the network with low attack complexity and requires no prior privileges. User interaction is required.

Q: What is the potential impact if exploitation succeeds?

The severity vector rates confidentiality, integrity, and availability impact as high. The listed flaw classes include use-after-free, buffer overflow, out-of-bounds read and write, type confusion, and uninitialized-resource issues in ANGLE.

Published Oct 30, 2026

Updated

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

Security Fix(es):

chromium-browser: angle: Use after free in ANGLE (CVE-2026-95325)

chromium-browser: angle: Out of bounds write in ANGLE (CVE-2026-95331)

chromium-browser: angle: Out of bounds read in ANGLE (CVE-2026-106304)

chromium-browser: angle: Buffer overflow in ANGLE (CVE-2026-106247)

chromium-browser: angle: Type confusion in ANGLE (CVE-2026-106293)

chromium-browser: angle: Uninitialized resource in ANGLE (CVE-2026-106245)

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.

Affected Software

1 affected componentFixes available

rocky-linux/webkit2gtk3<0:2.54.2-0.el9_8.1

0:2.54.2-0.el9_8.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade rocky-linux/webkit2gtk3 to a version that resolves this vulnerability.
Fixed in 0:2.54.2-0.el9_8.1

Event History

Oct 30, 2026

Advisory Published

via OSV·12:04 PM

Data Sourced

via OSV·12:04 PM

DescriptionSeverityAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

What level of access does an attacker need?

The listed severity vector indicates that exploitation can be performed over the network with low attack complexity and requires no prior privileges. User interaction is required.

What is the potential impact if exploitation succeeds?

The severity vector rates confidentiality, integrity, and availability impact as high. The listed flaw classes include use-after-free, buffer overflow, out-of-bounds read and write, type confusion, and uninitialized-resource issues in ANGLE.

RLSA-2026:91580: Important: webkit2gtk3 security update

Affected Software

Remediation

Event History

Child vulnerabilities

Frequently Asked Questions

What level of access does an attacker need?

What is the potential impact if exploitation succeeds?

Company

Resources

Contact

Frequently Asked Questions

What level of access does an attacker need?

What is the potential impact if exploitation succeeds?