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Sicherheit: Zwei Probleme in libxml2
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in libxml2
ID: USN-4274-1
Distribution: Ubuntu
Plattformen: Ubuntu 16.04 LTS, Ubuntu 12.04 ESM, Ubuntu 18.04 LTS, Ubuntu 14.04 ESM, Ubuntu 19.10
Datum: Mo, 10. Februar 2020, 16:32
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19956
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7595
Applikationen: libxml2

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-4274-1
February 10, 2020

libxml2 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in libxml2.

Software Description:
- libxml2: GNOME XML library

Details:

It was discovered that libxml2 incorrectly handled certain XML files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2019-19956, CVE-2020-7595)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 19.10:
libxml2 2.9.4+dfsg1-7ubuntu3.1
libxml2-utils 2.9.4+dfsg1-7ubuntu3.1

Ubuntu 18.04 LTS:
libxml2 2.9.4+dfsg1-6.1ubuntu1.3
libxml2-utils 2.9.4+dfsg1-6.1ubuntu1.3

Ubuntu 16.04 LTS:
libxml2 2.9.3+dfsg1-1ubuntu0.7
libxml2-utils 2.9.3+dfsg1-1ubuntu0.7

Ubuntu 14.04 ESM:
libxml2 2.9.1+dfsg1-3ubuntu4.13+esm1
libxml2-utils 2.9.1+dfsg1-3ubuntu4.13+esm1

Ubuntu 12.04 ESM:
libxml2 2.7.8.dfsg-5.1ubuntu4.22
libxml2-utils 2.7.8.dfsg-5.1ubuntu4.22

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4274-1
CVE-2019-19956, CVE-2020-7595

Package Information:
https://launchpad.net/ubuntu/+source/libxml2/2.9.4+dfsg1-7ubuntu3.1
https://launchpad.net/ubuntu/+source/libxml2/2.9.4+dfsg1-6.1ubuntu1.3
https://launchpad.net/ubuntu/+source/libxml2/2.9.3+dfsg1-1ubuntu0.7

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