Mattermost fails to properly validate the length of the emoji value in the custom user status, allowing an attacker to send multiple times a very long string as an emoji value causing high resource consumption and possibly crashing the server.
{
"cwe_ids": [
"CWE-400"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/24xxx/CVE-2024-24988.json",
"cna_assigner": "Mattermost",
"unresolved_ranges": [
{
"extracted_events": [
{
"last_affected": "9.2.4"
},
{
"last_affected": "8.1.8"
},
{
"last_affected": "9.3.0"
}
],
"source": "AFFECTED_FIELD"
}
]
}{
"cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "8.1.8"
},
{
"introduced": "9.0.0"
},
{
"fixed": "9.1.5"
},
{
"introduced": "9.2.0"
},
{
"fixed": "9.2.4"
}
],
"source": "CPE_RANGE"
}