CVE-2022-1982 json
A crafted SVG attachment can crash a Mattermost server
published 2022-06-02 4 y ago modified 2026-06-17 4 mo ago also BIT-mattermost-2022-1982 , EUVD-2022-6058 , GHSA-gwpf-95jc-63rv
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 61%
- public exploits
- 0
- none known
Summary
Uncontrolled resource consumption in Mattermost version 6.6.0 and earlier allows an authenticated attacker to crash the server via a crafted SVG attachment on a post.
Patch / fix
- go github.com/mattermost/mattermost-server 6.3.8, 6.4.3, 6.5.1, 6.6.1
- bitnami mattermost 6.3.8, 6.4.3
- mattermost mattermost_server 6.3.8, 6.4.3
- github.com/mattermost/mattermost-server#19988 pull request
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 23 mo ago
Exploit prediction
0.94% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
| 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 |
|---|---|---|---|
| go | github.com/mattermost/mattermost-server | >=6.6.0, <6.6.1 >=6.5.0, <6.5.1 >=6.4.0, <6.4.3 >=5.0.0, <6.3.8 |
6.6.1 6.5.1 6.4.3 6.3.8 |
| bitnami | mattermost | >=5.0.0, <6.3.8 >=6.4.0, <6.4.3 >=6.5.0, <=6.5.0 >=6.6.0, <=6.6.0 |
6.3.8 6.4.3 |
Affected products
- Mattermost Mattermost
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
github.com
/mattermost/mattermost-server/pull/19988
web
-
mattermost.com
/security-updates/
vendor-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2022-1982
advisory, web
-
github.com
/mattermost/mattermost-server
package
-
mattermost.com
/security-updates
web
Sources
- CVE List CVE-2022-1982
- GitHub Advisory GHSA-gwpf-95jc-63rv
- NVD CVE-2022-1982
- OSV BIT-mattermost-2022-1982
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