openSUSE Security Update: Security update for libxml2
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Announcement ID: openSUSE-SU-2018:3110-1
Rating: moderate
References: #1088279 #1102046 #1105166
Cross-References: CVE-2018-14404 CVE-2018-14567 CVE-2018-9251

Affected Products:
openSUSE Leap 15.0
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An update that fixes three vulnerabilities is now available.

Description:

This update for libxml2 fixes the following security issues:

– CVE-2018-9251: The xz_decomp function allowed remote attackers to cause
a denial of service (infinite loop) via a crafted XML file that triggers
LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint (bsc#1088279)
– CVE-2018-14567: Prevent denial of service (infinite loop) via a crafted
XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint
(bsc#1105166)
– 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)

This update was imported from the SUSE:SLE-15:Update update project.

Patch Instructions:

To install this openSUSE 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:

– openSUSE Leap 15.0:

zypper in -t patch openSUSE-2018-1150=1

Package List:

– openSUSE Leap 15.0 (i586 x86_64):

libxml2-2-2.9.7-lp150.2.3.1
libxml2-2-debuginfo-2.9.7-lp150.2.3.1
libxml2-debugsource-2.9.7-lp150.2.3.1
libxml2-devel-2.9.7-lp150.2.3.1
libxml2-tools-2.9.7-lp150.2.3.1
libxml2-tools-debuginfo-2.9.7-lp150.2.3.1
python-libxml2-python-debugsource-2.9.7-lp150.2.3.1
python2-libxml2-python-2.9.7-lp150.2.3.1
python2-libxml2-python-debuginfo-2.9.7-lp150.2.3.1
python3-libxml2-python-2.9.7-lp150.2.3.1
python3-libxml2-python-debuginfo-2.9.7-lp150.2.3.1

– openSUSE Leap 15.0 (noarch):

libxml2-doc-2.9.7-lp150.2.3.1

– openSUSE Leap 15.0 (x86_64):

libxml2-2-32bit-2.9.7-lp150.2.3.1
libxml2-2-32bit-debuginfo-2.9.7-lp150.2.3.1
libxml2-devel-32bit-2.9.7-lp150.2.3.1

References:

https://www.suse.com/security/cve/CVE-2018-14404.html
https://www.suse.com/security/cve/CVE-2018-14567.html
https://www.suse.com/security/cve/CVE-2018-9251.html
https://bugzilla.suse.com/1088279
https://bugzilla.suse.com/1102046
https://bugzilla.suse.com/1105166

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