CVE-2022-3147
mediumpriority · track · 26EPSS 0.010 · 64 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.1–6.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- BIT-mattermost-2022-31472024-03-06vendor · osvUS
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.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2022-3147/cnnvd
- https://hackerone.com/reports/1549513cnnvd
- https://mattermost.com/security-updates/cnnvd
- https://hackerone.com/reports/1549513enisa_euvd
- https://mattermost.com/security-updates/enisa_euvd
- https://hackerone.com/reports/1549513Permissions Requirednvd
- https://mattermost.com/security-updates/Vendor Advisorynvd
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