ELA-503-1 php5 security update

privilege escalation

2021-10-27
Packagephp5
Version5.6.40+dfsg-0+deb8u15
Related CVEs CVE-2021-21703


An out-of-bounds read and write flaw was discovered in the PHP-FPM code, which could result in escalation of privileges from local unprivileged user to the root user.



For Debian 8 jessie, these problems have been fixed in version 5.6.40+dfsg-0+deb8u15.

We recommend that you upgrade your php5 packages.

Further information about Extended LTS security advisories can be found in the dedicated section of our website.