The xmlNextChar function in libxml2 2.9.2 does not properly check the state, which allows context-dependent attackers to cause a denial of service (heap-based buffer over-read and application crash) or obtain sensitive information via crafted XML data.

The xmlNextChar function in libxml2 2.9.2 does not properly check the state, which allows context-dependent attackers to cause a denial of service (heap-based buffer over-read and application crash) or obtain sensitive information via crafted XML data.

ruby2.2-rubygem-nokogiri-1.6.8.1-1.3 on GA media

libxml2: CPU exhaustion when processing specially crafted XML input libxml2: Heap-based buffer overflow in xmlDictComputeFastQKey libxml2: Heap-based buffer overflow in xmlParseXmlDecl libxml2: Heap-based buffer overflow in xmlGROW libxml2: Heap buffer overflow in xmlParseMisc libxml2: Out-of-bounds memory access libxml2: heap-based buffer overflow in xmlParseConditionalSections() libxml2: Buffer overread with XML parser in xmlNextChar libxml2: Buffer overread with HTML parser in push mode in xmlSAX2TextNode libxml2: Out-of-bounds heap read when parsing file with unfinished xml declaration libxml2: out-of-bounds memory access when parsing an unclosed HTML comment

Security update for libxml2

Affected: Ubuntu:14.04:LTS: libxml2

The xmlNextChar function in libxml2 2.9.2 does not properly check the state, which allows context-dependent attackers to cause a denial of service (heap-based buffer over-read and application crash) or obtain sensitive information via crafted XML data.

Ein entfernter, anonymer, authentisierter oder lokaler Angreifer kann mehrere Schwachstellen in Tenable Security Nessus Network Monitor ausnutzen, um beliebigen Code auszuführen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand auszulösen und Daten zu manipulieren.