USN-3913-1: P7ZIP vulnerabilities
p7zip vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
Summary
p7zip could be made to crash or run programs as your login if it
opened a specially crafted file.
Software Description
- p7zip – 7z file archiver with high compression ratio
Details
It was discovered that p7zip did not correctly handle certain malformed
archives. If a user or automated system were tricked into processing a specially
crafted archive with p7zip, then p7zip could be made to crash, possibly leading
to abitrary code execution.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 16.04 LTS
- p7zip – 9.20.1~dfsg.1-4.2ubuntu0.1
- p7zip-full – 9.20.1~dfsg.1-4.2ubuntu0.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
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