CVE Catalog

CVE-2025-49796

CriticalCVSS 9.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Elevated risk
1.48%

72th percentile - higher than 72% of all known CVEs

Summary

A vulnerability was found in libxml2 where processing certain sch:name elements from an input XML file can trigger memory corruption. An attacker can craft a malicious XML file that causes libxml to crash, leading to denial of service or other undefined behavior due to sensitive data being corrupted in memory.

Risk Assessment

The risk for the organization includes potential denial of service (DoS) in applications using libxml2 and possible leakage or corruption of sensitive data in memory, which may compromise system integrity.

Recommendation

It is recommended to immediately update libxml2 to the latest patched version. Additionally, review and restrict processing of untrusted XML files in production environments.

Original NVD description (English source)

A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that can lead libxml to crash, resulting in a denial of service or other possible undefined behavior due to sensitive data being corrupted in memory.

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