Several vulnerabilities were discovered in libebml, a library for manipulating Extensible Binary Meta Language files. CVE-2015-8789 Context-dependent attackers could trigger a use-after-free vulnerability by providing a maliciously crafted EBML document. CVE-2015-8790 Context-dependent attackers could obtain sensitive information from the process" heap memory by using a maliciously crafted UTF-8 string. CVE-2015-8791 Context-dependent attackers could obtain sensitive information from the process" heap memory by using a maliciously crafted length value in an EBML id.