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Vulnerability of libxml2: buffer overflow via HTTP Port Redirect

Synthesis of the vulnerability 

An attacker can generate a buffer overflow via HTTP Port Redirect of libxml2, in order to trigger a denial of service, and possibly to run code.
Vulnerable products: Debian, Android OS, openSUSE Leap, Ubuntu, VxWorks.
Severity of this weakness: 2/4.
Creation date: 07/07/2017.
Références of this bulletin: CVE-2017-7376, DLA-1060-1, DSA-3952-1, K-511315, openSUSE-SU-2017:1810-1, USN-3424-1, USN-3424-2, VIGILANCE-VUL-23160.

Description of the vulnerability 

An attacker can generate a buffer overflow via HTTP Port Redirect of libxml2, in order to trigger a denial of service, and possibly to run code.
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This weakness impacts software or systems such as Debian, Android OS, openSUSE Leap, Ubuntu, VxWorks.

Our Vigil@nce team determined that the severity of this vulnerability 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 threat bulletin.

Solutions for this threat 

Android OS: patches 2017-06-01 and 2017-06-05.
A patch is indicated in information sources.

Debian 7: new libxml2 packages.
New packages are available:
  Debian 7: libxml2 2.8.0+dfsg1-7+wheezy9

Debian 8/9: new libxml2 packages.
New packages are available:
  Debian 8: libxml2 2.9.1+dfsg1-5+deb8u5
  Debian 9: libxml2 2.9.4+dfsg1-2.2+deb9u1

openSUSE Leap 42.2: new libxml2 packages.
New packages are available:
  openSUSE Leap 42.2: libxml2 2-2.9.4-5.10.1

Ubuntu: new libxml2 packages.
New packages are available:
  Ubuntu 17.04: libxml2 2.9.4+dfsg1-2.2ubuntu0.1
  Ubuntu 16.04 LTS: libxml2 2.9.3+dfsg1-1ubuntu0.3
  Ubuntu 14.04 LTS: libxml2 2.9.1+dfsg1-3ubuntu4.10
  Ubuntu 12.04 ESM: libxml2 2.7.8.dfsg-5.1ubuntu4.18

Wind River VxWorks: solution for XML.
The solution is indicated in information sources.
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Computer vulnerabilities tracking service 

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