Mattermost Mobile Apps versions <=2.22.0 fail to properly handle specially crafted attachment names, which allows an attacker to crash the mobile app for any user who opened a channel containing the specially crafted attachment
{
"cna_assigner": "Mattermost",
"unresolved_ranges": [
{
"source": "AFFECTED_FIELD",
"extracted_events": [
{
"last_affected": "2.22.0"
}
]
}
],
"cwe_ids": [
"CWE-1287"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/0xxx/CVE-2025-0476.json"
}{
"source": "CPE_RANGE",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "2.23.0"
}
],
"cpe": "cpe:2.3:a:mattermost:mattermost_mobile:*:*:*:*:*:*:*:*"
}