It was discovered that the PEAR Archive_Tar package for handling tar
files in PHP is prone to a directory traversal flaw due to inadequate
checking of symbolic links.
For the stable distribution (buster), this problem has been fixed in
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 Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
Debian Security Advisory DSA-4894-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
April 20, 2021 https://www.debian.org/security/faq