Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading to Denial of Service, by patching the field of a block using a specially crafted string.
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "7.8.12"
},
{
"introduced": "8.0.0"
},
{
"last_affected": "8.1.3"
},
{
"introduced": "9.0.0"
},
{
"last_affected": "9.0.1"
},
{
"introduced": "0"
},
{
"last_affected": "9.1.0"
}
]
}