The (1) xmlParserEntityCheck and (2) xmlParseAttValueComplex functions in parser.c in libxml2 2.9.3 do not properly keep track of the recursion depth, which allows context-dependent attackers to cause a denial of service (stack consumption and application crash) via a crafted XML document containing a large number of nested entity references.
{
"unresolved_ranges": [
{
"source": "CPE_FIELD",
"extracted_events": [
{
"last_affected": "12.04"
},
{
"last_affected": "14.04"
},
{
"last_affected": "15.10"
},
{
"last_affected": "16.04"
}
],
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*"
],
"vendor_product": "canonical:ubuntu_linux"
},
{
"source": "CPE_FIELD",
"cpes": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"last_affected": "8.0"
}
],
"vendor_product": "debian:debian_linux"
},
{
"source": "CPE_FIELD",
"cpes": [
"cpe:2.3:a:hp:icewall_federation_agent:3.0:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"last_affected": "3.0"
}
],
"vendor_product": "hp:icewall_federation_agent"
},
{
"source": "CPE_FIELD",
"cpes": [
"cpe:2.3:a:hp:icewall_file_manager:3.0:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"last_affected": "3.0"
}
],
"vendor_product": "hp:icewall_file_manager"
},
{
"source": "CPE_FIELD",
"cpes": [
"cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"last_affected": "42.1"
}
],
"vendor_product": "opensuse:leap"
}
]
}{
"cpe": "cpe:2.3:a:xmlsoft:libxml2:2.9.3:*:*:*:*:*:*:*",
"source": "CPE_FIELD",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "2.9.3"
}
]
}{
"cpe": "cpe:2.3:a:xmlsoft:libxml2:2.9.3:*:*:*:*:*:*:*",
"source": "CPE_FIELD",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "2.9.3"
}
]
}