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USN-5027-1: PEAR vulnerability

29 July 2021

PEAR could be made to overwrite files as the administrator.



  • php-pear - PHP Extension and Application Repository


It was discovered that PEAR incorrectly handled symbolic links in archives.
A remote attacker could possibly use this issue to execute arbitrary code.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 21.04
Ubuntu 20.04
Ubuntu 18.04

In general, a standard system update will make all the necessary changes.


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