Security Update for libxml2
Summary
DLA-1008-1: libxml2 - security update. Affects libxml2 versions < 2.8.0+dfsg1-7+wheezy8. Fixed in 2.8.0+dfsg1-7+wheezy8. How to fix ↓
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Background
libxml2 is a widely-used software library for parsing and manipulating XML files. It provides a set of functions and APIs that allow developers to work with XML data. However, several vulnerabilities have been discovered in libxml2, which could potentially lead to security breaches and crashes in programs that use this library.
Vulnerability Detail
The vulnerabilities in libxml2 include:
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CVE-2017-7375: This vulnerability allows for missing validation of external entities in xmlParsePEReference.
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CVE-2017-9047 and CVE-2017-9048: These vulnerabilities involve a buffer overflow in the xmlSnprintfElementContent function in valid.c, which can cause programs to crash.
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CVE-2017-9049 and CVE-2017-9050: These vulnerabilities are related to a heap-based buffer over-read in the xmlDictComputeFastKey function in dict.c, which can also lead to crashes in programs that use libxml2.
These vulnerabilities pose a risk to the security and stability of systems and applications that rely on libxml2.
How To Fix
Minimum fixed version
2.8.0+dfsg1-7+wheezy8
This is the first release that contains the fix.
sudo apt-get install --only-upgrade libxml2Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
Upgrading the libxml2 package to the recommended version is crucial to address the vulnerabilities and ensure the security and stability of systems and applications that rely on libxml2. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for libxml2 →
FAQ
libxml2 is a software library for parsing and manipulating XML files. It provides functions and APIs for working with XML data.
The vulnerabilities in libxml2 include missing validation for external entities, buffer overflow, and heap-based buffer over-read.
These vulnerabilities can lead to security breaches and crashes in programs that use libxml2.
To fix these vulnerabilities, it is recommended to upgrade the libxml2 package to version 2.8.0+dfsg1-7+wheezy8 or later.
More information about Debian LTS security advisories can be found at https://wiki.debian.org/LTS.
Related vulnerabilities
Recent vulnerabilities recorded for libxml2.
