Moderate Security Vulnerability in libxml2: Out-of-Bounds Read
Summary
ALSA-2025:8958: Moderate: libxml2 security update. Affects libxml2 versions < 2.9.7-20.el8_10. Fixed in 2.9.7-20.el8_10. How to fix ↓
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Background
libxml2 is a widely used development toolbox that provides an implementation of various XML standards. It is essential for applications that require XML parsing and manipulation. The library is known for its performance and compliance with XML standards, making it a critical component in many software projects. However, like any software, it can be susceptible to vulnerabilities that may compromise the security of applications relying on it.
Vulnerability Detail
The vulnerability identified as CVE-2025-32414 in libxml2 is an Out-of-Bounds Read issue. This flaw can potentially allow an attacker to read sensitive data from memory locations that should not be accessible, leading to information disclosure. The vulnerability arises from improper handling of certain XML inputs, which can be exploited to manipulate the application's behavior or extract confidential information. The ramifications of this vulnerability can be severe, especially in applications that process untrusted XML data.
How To Fix
Minimum fixed version
2.9.7-20.el8_10
This is the first release that contains the fix.
sudo dnf update libxml2Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If immediate updating is not feasible, consider implementing input validation to sanitize XML data before processing it. This can help mitigate the risk of exploitation until the package can be updated.
Conclusion
The libxml2 library has a moderate security vulnerability (CVE-2025-32414) that can lead to an Out-of-Bounds Read, posing risks to applications that process XML data. It is crucial to update to the patched version to mitigate these risks. In the meantime, consider implementing input validation as a temporary measure.
See every vulnerability recorded for libxml2 →
FAQ
CVE-2025-32414 is a security vulnerability in the libxml2 library that allows for an Out-of-Bounds Read, potentially leading to information disclosure.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
The vulnerability can lead to unauthorized access to sensitive data, which may compromise the security of applications that rely on libxml2 for XML processing.
Yes, a patch is available in version 2.9.7-20.el8_10 and later. It is recommended to update to this version or higher.
If you cannot update immediately, implement input validation to sanitize XML data before processing it as a temporary workaround.
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