CVE-2022-3147 json
Server-side Denial of Service while processing a specifically crafted JPEG file
published 2022-09-09 4 y ago modified 2026-06-17 4 mo ago also BIT-mattermost-2022-3147 , EUVD-2022-42571
- cvss
- 3.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
Mattermost version 7.0.x and earlier fails to sufficiently limit the in-memory sizes of concurrently uploaded JPEG images, which allows authenticated users to cause resource exhaustion on specific system configurations, resulting in server-side Denial of Service.
Patch / fix
- bitnami mattermost 7.1.0
- mattermost mattermost_server 7.1.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 23 mo ago
Exploit prediction
1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.1 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| OSV | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | mattermost | <7.1.0 |
7.1.0 |
Affected products
- Mattermost Mattermost
Classification
References
-
mattermost.com
/security-updates/
vendor-advisory, web
-
hackerone.com
/reports/1549513
permissions-required, web
-
nvd.nist.gov
/vuln/detail/CVE-2022-3147
web
Sources
- CVE List CVE-2022-3147
- NVD CVE-2022-3147
- OSV BIT-mattermost-2022-3147
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