What’s Vulnerable › Vulnerabilities

CVE-2023-25361

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-02 · updated 2026-06-17
• Weakness: CWE-416

Description

A use-after-free vulnerability in WebCore::RenderLayer::setNextSibling in WebKitGTK before 2.36.8 allows attackers to execute code remotely.

Affected products

• Webkit: before 2.36.8 — fixed in 2.36.8

How to fix

Upgrade to a fixed version: Webkit 2.36.8. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2023/04/21/3
• https://bugs.webkit.org/show_bug.cgi?id=244249
• https://security.gentoo.org/glsa/202305-32
• http://www.openwall.com/lists/oss-security/2023/04/21/3
• https://bugs.webkit.org/show_bug.cgi?id=244249
• https://security.gentoo.org/glsa/202305-32

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