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Sicherheit: Zwei Probleme in libpng
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in libpng
ID: USN-3712-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 17.10, Ubuntu 18.04 LTS
Datum: Mi, 11. Juli 2018, 22:41
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-13785
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10087
Applikationen: libpng

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-3712-1
July 11, 2018

libpng, libpng1.6 vulnerabilities
==========================================================================

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

- Ubuntu 18.04 LTS
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in libpng.

Software Description:
- libpng1.6: PNG library - development (version 1.6)
- libpng: PNG (Portable Network Graphics) file library

Details:

Patrick Keshishian discovered that libpng incorrectly handled certain
PNG files. An attacker could possibly use this to cause a denial of
service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04
LTS. (CVE-2016-10087)

Thuan Pham discovered that libpng incorrectly handled certain PNG
files. An attacker could possibly use this to cause a denial of
service. This issue only affected Ubuntu 17.10 and Ubuntu 18.04 LTS.
(CVE-2018-13785)

Update instructions:

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

Ubuntu 18.04 LTS:
libpng16-16 1.6.34-1ubuntu0.18.04.1

Ubuntu 17.10:
libpng16-16 1.6.34-1ubuntu0.17.10.1

Ubuntu 16.04 LTS:
libpng12-0 1.2.54-1ubuntu1.1

Ubuntu 14.04 LTS:
libpng12-0 1.2.50-1ubuntu2.14.04.3

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

References:
https://usn.ubuntu.com/usn/usn-3712-1
CVE-2016-10087, CVE-2018-13785

Package Information:
https://launchpad.net/ubuntu/+source/libpng1.6/1.6.34-1ubuntu0.18.04.
1
https://launchpad.net/ubuntu/+source/libpng1.6/1.6.34-1ubuntu0.17.10.
1
https://launchpad.net/ubuntu/+source/libpng/1.2.54-1ubuntu1.1
https://launchpad.net/ubuntu/+source/libpng/1.2.50-1ubuntu2.14.04.3
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