Debian Security Advisory
DLA-2794-1 php7.0 -- LTS security update
- Date Reported:
- 27 Oct 2021
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 997003.
In Mitre's CVE dictionary: CVE-2021-21703.
- More information:
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 9 stretch, this problem has been fixed in version 7.0.33-0+deb9u12.
We recommend that you upgrade your php7.0 packages.
For the detailed security status of php7.0 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/php7.0
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS