CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
AI Score
Confidence
High
EPSS
Percentile
9.0%
Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to limit the number of @-mentions processed per message, allowing an authenticated attacker to crash the client applications of other users via large, crafted messages.
[
{
"defaultStatus": "unaffected",
"product": "Mattermost",
"vendor": "Mattermost",
"versions": [
{
"lessThanOrEqual": "9.4.2",
"status": "affected",
"version": "9.4.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "9.3.1",
"status": "affected",
"version": "9.3.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "9.2.5",
"status": "affected",
"version": "9.2.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "8.1.9",
"status": "affected",
"version": "8.1.0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "9.5.0"
},
{
"status": "unaffected",
"version": "9.4.3"
},
{
"status": "unaffected",
"version": "9.3.2"
},
{
"status": "unaffected",
"version": "9.2.6"
},
{
"status": "unaffected",
"version": "8.1.10"
}
]
}
]