Server-side Denial of Service while processing a specifically crafted JPEG file
Published Sep 9, 2022
6.5
MEDIUMCVSS 3.1
EPSS 1.03%
Description
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.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<=7.0.x
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Mattermost | Mattermost | n/a |
|
- < 7.1.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
Update Mattermost to version v7.1 or higher.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1 other source (CVE.org) ▾
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Dec 6, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.03% (0.01029) | 62.44th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.85% (0.00850) | 53.22th | v5 (v2026.06.15) |
| Mar 26, 2026 | 1.18% (0.01177) | 78.64th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.16% (0.00159) | 34.25th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00081) | 36.65th | v3 (v2023.03.01) |
| Apr 1, 2024 | 0.08% (0.00081) | 33.62th | v3 (v2023.03.01) |
| Sep 16, 2023 | 0.07% (0.00073) | 30.36th | v3 (v2023.03.01) |
| Aug 10, 2023 | 0.05% (0.00053) | 18.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 11.12th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
References (2)
- https://hackerone.com/reports/1549513 x_refsource_MISCPermissions Required
- https://mattermost.com/security-updates/ x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://hackerone.com/reports/1549513 | x_refsource_MISCPermissions Required | |
| https://mattermost.com/security-updates/ | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.