CVE-2025-13502: Out-of-bounds Read (CVSS 7.5)

Description

A flaw was found in WebKitGTK and WPE WebKit. This vulnerability allows an out-of-bounds read and integer underflow, leading to a UIProcess crash (DoS) via a crafted payload to the GLib remote inspector server.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

References

Other References

https://access.redhat.com/errata/RHSA-2025:22789 https://access.redhat.com/errata/RHSA-2025:22790 https://access.redhat.com/errata/RHSA-2025:23110 https://access.redhat.com/errata/RHSA-2025:23433 https://access.redhat.com/errata/RHSA-2025:23434 https://access.redhat.com/errata/RHSA-2025:23451 https://access.redhat.com/errata/RHSA-2025:23452 https://access.redhat.com/errata/RHSA-2025:23583 https://access.redhat.com/errata/RHSA-2025:23591 https://access.redhat.com/errata/RHSA-2025:23742

Frequently Asked Questions

What is CVE-2025-13502? +

A flaw was found in WebKitGTK and WPE WebKit. This vulnerability allows an out-of-bounds read and integer underflow, leading to a UIProcess crash (DoS) via a crafted payload to the GLib remote inspector server. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-13502? +

CVE-2025-13502 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-13502? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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