This update for libxml2 fixes the following issues:
- CVE-2017-9047, CVE-2017-9048: The function xmlSnprintfElementContent in valid.c was vulnerable to a stack buffer overflow (bsc#1039063, bsc#1039064) - CVE-2017-9049: The function xmlDictComputeFastKey in dict.c was vulnerable to a heap-based buffer over-read. (bsc#1039066) - CVE-2017-9050: The function xmlDictAddString was vulnerable to a heap-based buffer over-read (bsc#1039661) - CVE-2016-1839: heap-based buffer overflow (xmlDictAddString func) (bnc#1039069)
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