libxml2 2.9.2 does not properly stop parsing invalid input, which allows context-dependent attackers to cause a denial of service (out-of-bounds read and libxml2 crash) via crafted XML data to the (1) xmlParseEntityDecl or (2) xmlParseConditionalSections function in parser.c, as demonstrated by non-terminated entities.

libxml2 2.9.2 does not properly stop parsing invalid input, which allows context-dependent attackers to cause a denial of service (out-of-bounds read and libxml2 crash) via crafted XML data to the (1) xmlParseEntityDecl or (2) xmlParseConditionalSections function in parser.c, as demonstrated by non-terminated entities.

libxml2-2-2.9.4-1.22 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

libxml2 2.9.2 does not properly stop parsing invalid input, which allows context-dependent attackers to cause a denial of service (out-of-bounds read and libxml2 crash) via crafted XML data to the (1) xmlParseEntityDecl or (2) xmlParseConditionalSections function in parser.c, as demonstrated by non-terminated entities.

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.