Buffer overflow in lib/flow.c in ovs-vswitchd in Open vSwitch 2.2.x and 2.3.x before 2.3.3 and 2.4.x before 2.4.1 allows remote attackers to execute arbitrary code via crafted MPLS packets, as demonstrated by a long string in an ovs-appctl command.
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "2.3.1"
},
{
"introduced": "0"
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{
"last_affected": "2.3.2"
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{
"introduced": "0"
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{
"last_affected": "2.4.0"
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{
"introduced": "0"
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{
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}
]
}