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

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Debian LTS Advisory DLA-3458-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Guilhem Moulin
June 20, 2023 https://wiki.debian.org/LTS
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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
7.3.31-1~deb10u4.

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:
https://security-tracker.debian.org/tracker/php7.3

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