SUSE-SU-2018:3081-1

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SUSE-SU-2018:3081-1

Summary: Security update for libxml2

Details: 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). - CVE-2017-18258: The xz_head function allowed remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality did not restrict memory usage to what is required for a legitimate file (bsc#1088601).

References: https://www.suse.com/support/update/announcement/2018/suse-su-20183081-1/, https://bugzilla.suse.com/1088279, https://bugzilla.suse.com/1088601, https://bugzilla.suse.com/1102046, https://bugzilla.suse.com/1105166, https://www.suse.com/security/cve/CVE-2017-18258, https://www.suse.com/security/cve/CVE-2018-14404, https://www.suse.com/security/cve/CVE-2018-14567, https://www.suse.com/security/cve/CVE-2018-9251