CVE-2023-5196

Source
https://cve.org/CVERecord?id=CVE-2023-5196
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-5196.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-5196
Aliases
Published
2023-09-29T09:22:36.286Z
Modified
2026-05-07T04:16:16.995759Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
DoS via Channel Notification Properties
Details

Mattermost fails to enforce character limits in all possible notification props allowing an attacker to send a really long value for a notification_prop resulting in the server consuming an abnormal quantity of computing resources and possibly becoming temporarily unavailable for its users.

Database specific
{
    "cna_assigner": "Mattermost",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5196.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "last_affected": "7.8.9"
                },
                {
                    "last_affected": "8.1.0"
                },
                {
                    "last_affected": "8.0.1"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ],
    "cwe_ids": [
        "CWE-400"
    ]
}
References

Affected packages

Git / github.com/mattermost/mattermost

Affected ranges

Type
GIT
Repo
https://github.com/mattermost/mattermost
Events
Database specific
{
    "extracted_events": [
        {
            "introduced": "7.0.0"
        },
        {
            "fixed": "7.8.10"
        },
        {
            "introduced": "8.0.0"
        },
        {
            "fixed": "8.0.2"
        },
        {
            "introduced": "8.1.0"
        },
        {
            "fixed": "8.1.1"
        }
    ],
    "cpe": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
    "source": "CPE_FIELD"
}

Affected versions

v8.*
v8.0.0
v8.0.1
v8.0.2-rc2
v8.1.0
v8.1.0-rc2
v8.1.1-rc1

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-5196.json"