Vulnerability in libass - security update
Summary
DLA-668-1: libass - security update. Affects libass versions < 0.10.0-3+deb7u1. Fixed in 0.10.0-3+deb7u1. How to fix ↓
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Background
libass is a library used for manipulating the SubStation Alpha (SSA) subtitle file format. It provides functionality for laying out and shaping text in SSA files. However, several vulnerabilities have been discovered in libass that could potentially lead to security issues.
Vulnerability Detail
The first vulnerability, identified as CVE-2016-7969, involves mode 0/3 line wrapping equalization in specific cases. This vulnerability could result in illegal reads while laying out and shaping text. The second vulnerability, CVE-2016-7972, is related to a memory reallocation issue in the shaper, which can lead to undefined behavior. These vulnerabilities could be exploited by attackers to execute arbitrary code or cause a denial of service.
How To Fix
Minimum fixed version
0.10.0-3+deb7u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade libassTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There are no specific workarounds mentioned for these vulnerabilities. The recommended solution is to apply the security update.
Conclusion
It is crucial to promptly update the libass package to mitigate the identified vulnerabilities. By upgrading to version 0.10.0-3+deb7u1, you can ensure that your system is protected against potential exploitation. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for libass →
FAQ
libass is a library used for manipulating the SubStation Alpha (SSA) subtitle file format. It provides functionality for laying out and shaping text in SSA files.
There are two vulnerabilities identified in libass: CVE-2016-7969 and CVE-2016-7972. CVE-2016-7969 involves mode 0/3 line wrapping equalization, which can result in illegal reads. CVE-2016-7972 is related to a memory reallocation issue in the shaper, leading to undefined behavior.
These vulnerabilities could be exploited by attackers to execute arbitrary code or cause a denial of service.
To fix these vulnerabilities, it is recommended to upgrade the libass package to version 0.10.0-3+deb7u1. This update includes patches that address the identified security issues.
There are no specific workarounds mentioned for these vulnerabilities. The recommended solution is to apply the security update.
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