Security Update for libgd2
Summary
DLA-563-1: libgd2 - security update. Affects libgd2 versions < 2.0.36~rc1~dfsg-6.1+deb7u5. Fixed in 2.0.36~rc1~dfsg-6.1+deb7u5. How to fix ↓
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Background
libgd2 is a library for dynamically creating images. It provides functions to create and manipulate images in various formats, including GIF. The library is widely used in applications that require image generation and manipulation capabilities.
Vulnerability Detail
A global out of bounds read vulnerability has been discovered in libgd2. This vulnerability occurs when encoding GIF from malformed input. When provided with invalid inputs, libgd2 may encounter the end-of-file (EOF) marker prematurely, resulting in a negative index. Subsequent data can then cause an underflow in the masks array. This vulnerability could potentially lead to information disclosure or denial of service.
How To Fix
Minimum fixed version
2.0.36~rc1~dfsg-6.1+deb7u5
This is the first release that contains the fix.
sudo apt-get install --only-upgrade libgd2Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is essential to apply the security update to ensure the integrity and security of your system.
Conclusion
It is crucial to promptly apply the recommended security update for libgd2 to mitigate the risk of information disclosure or denial of service. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for libgd2 →
FAQ
libgd2 is a library for dynamically creating images in various formats, including GIF.
This vulnerability could potentially lead to information disclosure or denial of service.
To fix this vulnerability, you need to upgrade your libgd2 packages to version 2.0.36~rc1~dfsg-6.1+deb7u5 or later.
No, there is no known workaround for this vulnerability. Applying the security update is the recommended solution.
You can find more information about Debian LTS security advisories, including how to apply updates and frequently asked questions, at https://wiki.debian.org/LTS.
Related vulnerabilities
Recent vulnerabilities recorded for libgd2.
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