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Vulnerability of libxslt: buffer overflow via xsltCopyText

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via xsltCopyText() of libxslt, in order to trigger a denial of service, and possibly to run code.
Impacted products: Debian, Avamar, NetWorker, Unisphere EMC, Chrome, Edge Chromium, Java OpenJDK, openSUSE Leap, Opera, Java Oracle, Solaris, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this bulletin: 2/4.
Creation date: 23/10/2019.
Références of this threat: ADV200002, cpuapr2020, CVE-2019-18197, DLA-1973-1, DSA-2020-130, DSA-2020-160, openSUSE-SU-2020:0189-1, openSUSE-SU-2020:0210-1, openSUSE-SU-2020:0233-1, openSUSE-SU-2020:0731-1, RHSA-2020:0514-01, USN-4164-1, VIGILANCE-VUL-30693.

Description of the vulnerability 

An attacker can trigger a buffer overflow via xsltCopyText() of libxslt, in order to trigger a denial of service, and possibly to run code.
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This computer threat note impacts software or systems such as Debian, Avamar, NetWorker, Unisphere EMC, Chrome, Edge Chromium, Java OpenJDK, openSUSE Leap, Opera, Java Oracle, Solaris, RHEL, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this weakness alert 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 weakness note.

Solutions for this threat 

Debian 8: new libxslt packages.
New packages are available:
  Debian 8: libxslt 1.1.28-2+deb8u6

Dell EMC Avamar: fixed versions.
Fixed versions are indicated in information sources.

Dell EMC Unisphere for PowerMax: fixed versions for Multiple Vulnerabilities.
Fixed versions are indicated in information sources.

Google Chrome: version 80.0.3987.87.
The version 80.0.3987.87 is fixed:
  https://www.google.fr/chrome/

Microsoft Edge Chromium: version 80.0.361.48.
The version 80.0.361.48 is fixed:
  https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/ADV200002

openSUSE Leap 15.1: new chromium packages.
New packages are available:
  openSUSE Leap 15.1: chromium 80.0.3987.87-lp151.2.63.1

openSUSE Leap 15.1: new libxslt packages.
New packages are available:
  openSUSE Leap 15.1: libxslt1 1.1.32-lp151.3.6.1

Oracle Java, OpenJDK: version 11.0.7.
The version 11.0.7 is fixed:
  http://www.oracle.com/technetwork/indexes/downloads/index.html
  https://www.oracle.com/technetwork/java/javase/11u-relnotes-5093844.html
  http://openjdk.java.net/install/

Oracle Java, OpenJDK: version 14.0.1.
The version 14.0.1 is fixed:
  http://www.oracle.com/technetwork/indexes/downloads/index.html
  https://www.oracle.com/technetwork/java/javase/14u-relnotes-6361871.html
  http://openjdk.java.net/install/

Oracle Java, OpenJDK: version 7u261.
The version 7u261 is fixed:
  http://www.oracle.com/technetwork/indexes/downloads/index.html
  http://www.oracle.com/technetwork/java/javase/documentation/javase7supportreleasenotes-1601161.html
  http://openjdk.java.net/install/

Oracle Java, OpenJDK: version 8u251.
The version 8u251 is fixed:
  http://www.oracle.com/technetwork/indexes/downloads/index.html
  http://www.oracle.com/technetwork/java/javase/documentation/8u-relnotes-2225394.html
  http://openjdk.java.net/install/

Oracle Solaris: patch for third party software of October 2019 v3.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

RHEL 6.10: new chromium packages.
New packages are available:
  RHEL 6.10: chromium browser-80.0.3987.87-1.el6_10

SUSE LE 12: new chromium packages.
New packages are available:
  SUSE LE 12 RTM-SP5: chromium 80.0.3987.87-31.1

SUSE LE 15 SP1: new chromium packages.
New packages are available:
  SUSE LE 15 SP1: chromium 80.0.3987.87-bp151.3.59.1

Ubuntu: new libxslt1.1 packages.
New packages are available:
  Ubuntu 19.10: libxslt1.1 1.1.33-0ubuntu1.1
  Ubuntu 19.04: libxslt1.1 1.1.32-2ubuntu0.2
  Ubuntu 18.04 LTS: libxslt1.1 1.1.29-5ubuntu0.2
  Ubuntu 16.04 LTS: libxslt1.1 1.1.28-2.1ubuntu0.3
  Ubuntu 14.04 ESM: libxslt1.1 1.1.28-2ubuntu0.2+esm1
  Ubuntu 12.04 ESM: libxslt1.1 1.1.26-8ubuntu1.6

Wind River Linux: version 10.17.41.19.
The version 10.17.41.19 is fixed.
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