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Vulnerability of PHP: NULL pointer dereference via SoapClient

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via SoapClient of PHP, in order to trigger a denial of service.
Vulnerable products: Debian, Fedora, openSUSE Leap, Solaris, PHP, SUSE Linux Enterprise Desktop, SLES.
Severity of this weakness: 2/4.
Creation date: 04/02/2021.
Références of this bulletin: 80672, CERTFR-2021-AVI-084, CVE-2021-21702, DSA-4856-1, FEDORA-2021-6edfd606d3, FEDORA-2021-ae5a54ba78, openSUSE-SU-2021:0305-1, SUSE-SU-2021:0494-1, SUSE-SU-2021:0498-1, SUSE-SU-2021:0522-1, SUSE-SU-2021:0584-1, SUSE-SU-2021:14668-1, VIGILANCE-VUL-34488.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via SoapClient of PHP, in order to trigger a denial of service.
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This security bulletin impacts software or systems such as Debian, Fedora, openSUSE Leap, Solaris, PHP, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this cybersecurity announce is medium.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this vulnerability alert.

Solutions for this threat 

PHP: version 8.0.2.
The version 8.0.2 is fixed:
  https://www.php.net/downloads

PHP: version 7.4.15.
The version 7.4.15 is fixed:
  https://www.php.net/downloads

PHP: version 7.3.27.
The version 7.3.27 is fixed:
  https://www.php.net/downloads

Debian 10: new php7.3 packages.
New packages are available:
  Debian 10: php7.3 7.3.27-1~deb10u1

Fedora 32: new php packages.
New packages are available:
  Fedora 32: php 7.4.15-1.fc32

Fedora 33: new php packages.
New packages are available:
  Fedora 33: php 7.4.15-1.fc33

openSUSE Leap 15.2: new php7 packages.
New packages are available:
  openSUSE Leap 15.2: apache2-mod_php7 7.4.6-lp152.2.15.1, php7 7.4.6-lp152.2.15.1

Oracle Solaris: patch for third party software of January 2021 v4.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

SUSE LE 11 SP3-4: new php53 packages.
New packages are available:
  SUSE LE 11 SP3: apache2-mod_php53 5.3.17-112.99.2, php53 5.3.17-112.99.2
  SUSE LE 11 SP4: apache2-mod_php53 5.3.17-112.99.2, php53 5.3.17-112.99.2

SUSE LE 12: new php72 packages.
New packages are available:
  SUSE LE 12 RTM-SP5: apache2-mod_php72 7.2.5-1.60.1, php72 7.2.5-1.60.1

SUSE LE 12: new php74 packages.
New packages are available:
  SUSE LE 12 RTM: apache2-mod_php74 7.4.6-1.19.1, php74 7.4.6-1.19.1

SUSE LE 15 RTM-SP1: new php7 packages.
New packages are available:
  SUSE LE 15 RTM: apache2-mod_php7 7.2.5-4.73.1, php7 7.2.5-4.73.1
  SUSE LE 15 SP1: apache2-mod_php7 7.2.5-4.73.1, php7 7.2.5-4.73.1

SUSE LE 15 SP2: new php7 packages.
New packages are available:
  SUSE LE 15 SP2: apache2-mod_php7 7.4.6-3.17.1, php7 7.4.6-3.17.1
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