Vulnerability in zlib package (CVE-2016-9841)
Summary
CVE-2016-9841: inffast.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic. Affects zlib across 4 version ranges.
< 1.2.11-r0
< 2bb798cee47b5f92038137e3d7fa7f59f7a11ef6
< 9aaec95e82117c1cb0f9624264c3618fc380cecb
>= cf41627411886000429bde058a6594fb7f6d6d47, < ab4af087e83d91a46354d765306d3543b1d85423
Fixed in 1.2.11-r0. How to fix ↓
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Background
The zlib package is a widely used open-source library that provides data compression and decompression functions. It is commonly used in various software applications and programming languages. The vulnerability identified as CVE-2016-9841 affects versions 1.2.8 and earlier of zlib. This vulnerability arises from improper pointer arithmetic in the inffast.c file, which may be exploited by context-dependent attackers to cause unspecified impact.
Vulnerability Detail
The vulnerability in zlib (CVE-2016-9841) is caused by improper pointer arithmetic in the inffast.c file. This vulnerability can be leveraged by attackers to achieve context-dependent impacts, although the exact nature of these impacts is unspecified. The vulnerability has a CVSS score of 9.8, indicating a critical severity level. It is important to note that the vulnerability affects versions 1.2.8 and earlier of zlib.
How To Fix
Minimum fixed version
1.2.11-r0
This is the first release that contains the fix.
sudo apk add --upgrade zlibTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
No specific workaround has been mentioned for this vulnerability.
Conclusion
The vulnerability in zlib (CVE-2016-9841) is a critical issue that affects versions 1.2.8 and earlier. It is recommended to update the zlib package to version 1.2.11-r0 or later to mitigate the vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for zlib →
FAQ
The exact impact of this vulnerability is unspecified, but it has the potential to be exploited by attackers to cause harm or compromise the affected systems.
Versions 1.2.8 and earlier of zlib are affected by this vulnerability.
Yes, the vulnerability can be fixed by updating the zlib package to version 1.2.11-r0 or later.
The updated zlib package can be obtained from the official package repositories or by following the instructions provided by the package maintainers.
No specific workaround has been mentioned for this vulnerability.
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