Updated PHP5 packages has been released for both Debian GNU/Linux 7 Extended LTS and 8 LTS:

DLA 1813-1: php5 security update
ELA-128-1 php5 security update

ELA-128-1 php5 security update

Package: php5
Version: 5.4.45-0+deb7u23
Related CVE: CVE-2019-11039 CVE-2019-11040
Two vulnerabilities were found in PHP, a widely-used open source general purpose scripting language.

CVE-2019-11039

An integer underflow in the iconv module could be exploited to trigger
an out of bounds read.

CVE-2019-11040

A heap buffer overflow was discovered in the EXIF parsing code.
For Debian 7 Wheezy, these problems have been fixed in version 5.4.45-0+deb7u23.

We recommend that you upgrade your php5 packages.

Further information about Extended LTS security advisories can be found at: https://deb.freexian.com/extended-lts/

DLA 1813-1: php5 security update

Package : php5
Version : 5.6.40+dfsg-0+deb8u4
CVE ID : CVE-2019-11039 CVE-2019-11040

Two vulnerabilities were found in PHP, a widely-used open source general
purpose scripting language.

CVE-2019-11039

An integer underflow in the iconv module could be exploited to trigger
an out of bounds read.

CVE-2019-11040

A heap buffer overflow was discovered in the EXIF parsing code.

For Debian 8 "Jessie", these problems have been fixed in version
5.6.40+dfsg-0+deb8u4.

We recommend that you upgrade your php5 packages.

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