Debian Security Advisory

DLA-2621-1 php-pear -- LTS security update

Date Reported:
08 Apr 2021
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 980428.
In Mitre's CVE dictionary: CVE-2020-36193.
More information:

A vulnerability was discovered in php-pear, which provides core packages from the PHP Extension and Application Repository. Tar.php in Archive_Tar allows write operations with Directory Traversal due to inadequate checking of symbolic links, a related issue to CVE-2020-28948. An attacker could escalate privileges by overwriting files outside the extraction directory through a crafted .tar archive.

For Debian 9 stretch, this problem has been fixed in version 1:1.10.1+submodules+notgz-9+deb9u3.

We recommend that you upgrade your php-pear packages.

For the detailed security status of php-pear please refer to its security tracker page at:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: