CVE Catalog

CVE-2025-49179

HighCVSS 7.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.28%

20th percentile - higher than 20% of all known CVEs

Summary

A flaw in the X Record extension allows a client to bypass length checks due to missing integer overflow validation in the RecordSanityCheckRegisterClients function when computing request length.

Risk Assessment

An attacker could exploit this vulnerability to perform unauthorized operations, potentially leading to system integrity compromise or unauthorized access.

Recommendation

Apply the patch provided by the operating system or Linux distribution vendor immediately. If a patch is unavailable, consider disabling the X Record extension.

Related vulnerabilities

Original NVD description (English source)

A flaw was found in the X Record extension. The RecordSanityCheckRegisterClients function does not check for an integer overflow when computing request length, which allows a client to bypass length checks.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS