CVE-2025-49178 (CVSS 5.5)

Description

A flaw was found in the X server's request handling. Non-zero 'bytes to ignore' in a client's request can cause the server to skip processing another client's request, potentially leading to a denial of service.

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CVSS v3.1 Score

5.5

MEDIUM

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

Weakness Type (CWE)

CWE-667 CWE-667

References

Other References

https://access.redhat.com/errata/RHSA-2025:10258 https://access.redhat.com/errata/RHSA-2025:10342 https://access.redhat.com/errata/RHSA-2025:10343 https://access.redhat.com/errata/RHSA-2025:10344 https://access.redhat.com/errata/RHSA-2025:10346 https://access.redhat.com/errata/RHSA-2025:10347 https://access.redhat.com/errata/RHSA-2025:10348 https://access.redhat.com/errata/RHSA-2025:10349 https://access.redhat.com/errata/RHSA-2025:10350 https://access.redhat.com/errata/RHSA-2025:10351

Frequently Asked Questions

What is CVE-2025-49178? +

A flaw was found in the X server's request handling. Non-zero 'bytes to ignore' in a client's request can cause the server to skip processing another client's request, potentially leading to a denial of service. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-49178? +

CVE-2025-49178 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-49178? +

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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CVE-2025-49178