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Vulnerability of libxml2: buffer overflow

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow of libxml2, in order to trigger a denial of service, and possibly to run code.
Impacted products: iOS by Apple, iPhone, Mac OS X, libxml, Solaris.
Severity of this bulletin: 2/4.
Creation date: 19/08/2020.
Références of this threat: CVE-2020-3910, HT211100, HT211102, VIGILANCE-VUL-33105.

Description of the vulnerability 

An attacker can trigger a buffer overflow of libxml2, in order to trigger a denial of service, and possibly to run code.
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This vulnerability note impacts software or systems such as iOS by Apple, iPhone, Mac OS X, libxml, Solaris.

Our Vigil@nce team determined that the severity of this cybersecurity vulnerability 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 computer threat note.

Solutions for this threat 

Apple iOS: version 13.4.
The version 13.4 is fixed:
  https://support.apple.com/

Apple macOS: version 10.13.6-2020-002.
The version 10.13.6-2020-002 is fixed:
  https://support.apple.com/

Oracle Solaris: patch for third party software of July 2020 v2.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1
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