Debian Security Advisory
DSA-4992-1 php7.4 -- security update
- Date Reported:
- 25 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 the stable distribution (bullseye), this problem has been fixed in version 7.4.25-1+deb11u1.
We recommend that you upgrade your php7.4 packages.
For the detailed security status of php7.4 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/php7.4