USN-3913-1: P7ZIP vulnerabilities

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
p7zip9.20.1~dfsg.1-4.2ubuntu0.1
p7zip-full9.20.1~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.

References

Source: USN-3913-1: P7ZIP vulnerabilities

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