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A php7.3 security update has been released for Debian GNU/Linux 10 LTS to address an issue that may result in a stack information leak.

[SECURITY] [DLA 3458-1] php7.3 security update

Debian LTS Advisory DLA-3458-1 Guilhem Moulin
June 20, 2023

Package : php7.3
Version : 7.3.31-1~deb10u4
CVE ID : CVE-2023-3247

Niels Dossche and Tim Düsterhus discovered that PHP's implementation of
the SOAP HTTP Digest authentication did not check for failures, which
may result in a stack information leak. Furthermore, the code used an
insufficient number of random bytes.

For Debian 10 buster, this problem has been fixed in version

We recommend that you upgrade your php7.3 packages.

For the detailed security status of php7.3 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: