openSUSE Leap 42.3: openSUSE-SU-2018:3107-1 Moderate: libxml2 DoS Fix

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).

This update was...