Security update for libxml2

SUSE Security Update: Security update for libxml2
Announcement ID: SUSE-SU-2019:13985-1
Rating: moderate
References: #1010675 #1102046 #1110146 #1126613
Cross-References: CVE-2016-9318 CVE-2018-14404
Affected Products:
  • SUSE Linux Enterprise Software Development Kit 11-SP4
  • SUSE Linux Enterprise Server 11-SP4
  • SUSE Linux Enterprise Point of Sale 11-SP3
  • SUSE Linux Enterprise Debuginfo 11-SP4

An update that solves two vulnerabilities and has two fixes is now available.

Description:

This update for libxml2 fixes the following issues:
Security issue fixed:

  • CVE-2018-14404: Prevent NULL pointer dereference in the xmlXPathCompOpEval() function when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case leading to a denial of service attack (bsc#1102046)

Other Issue fixed:
  • Fixed a bug related to the fix for CVE-2016-9318 which allowed xsltproc to access the internet even when --nonet was given and also was making docbook-xsl-stylesheets to have incomplete xml catalog file (bsc#1010675, bsc#1126613 and bsc#1110146).

Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Enterprise Software Development Kit 11-SP4:
    zypper in -t patch sdksp4-libxml2-13985=1
  • SUSE Linux Enterprise Server 11-SP4:
    zypper in -t patch slessp4-libxml2-13985=1
  • SUSE Linux Enterprise Point of Sale 11-SP3:
    zypper in -t patch sleposp3-libxml2-13985=1
  • SUSE Linux Enterprise Debuginfo 11-SP4:
    zypper in -t patch dbgsp4-libxml2-13985=1

Package List:

  • SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 ia64 ppc64 s390x x86_64):
    • libxml2-devel-2.7.6-0.77.15.1
  • SUSE Linux Enterprise Software Development Kit 11-SP4 (ppc64 s390x x86_64):
    • libxml2-devel-32bit-2.7.6-0.77.15.1
  • SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):
    • libxml2-2.7.6-0.77.15.1
    • libxml2-doc-2.7.6-0.77.15.1
    • libxml2-python-2.7.6-0.77.15.1
  • SUSE Linux Enterprise Server 11-SP4 (ppc64 s390x x86_64):
    • libxml2-32bit-2.7.6-0.77.15.1
  • SUSE Linux Enterprise Server 11-SP4 (ia64):
    • libxml2-x86-2.7.6-0.77.15.1
  • SUSE Linux Enterprise Point of Sale 11-SP3 (i586):
    • libxml2-2.7.6-0.77.15.1
    • libxml2-doc-2.7.6-0.77.15.1
    • libxml2-python-2.7.6-0.77.15.1
  • SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 ppc64 s390x x86_64):
    • libxml2-debuginfo-2.7.6-0.77.15.1
    • libxml2-debugsource-2.7.6-0.77.15.1
    • libxml2-python-debuginfo-2.7.6-0.77.15.1
    • libxml2-python-debugsource-2.7.6-0.77.15.1

References: