CVE-2016-11067 json
Mattermost Server is vulnerable to Uncontrolled Resource Consumption
published 2020-06-19 6 y ago modified 2026-06-17 4 mo ago also GHSA-ffcc-qr2v-3qmv , GO-2025-4046 , EUVD-2016-2056
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known
Summary
An issue was discovered in Mattermost Server before 3.2.0. It allowed crafted posts that could cause a web browser to hang.
Patch / fix
- go github.com/mattermost/mattermost-server 3.2.0, 3.2.0+incompatible
- mattermost mattermost_server 3.2.0
- govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1
- govulncheck-vulndb openSUSE Tumbleweed 0.0.20251105T184115-1.1
opensuse advisories openSUSE-SU-2026:21483-1openSUSE-SU-2025:15710-1
Exploit prediction
1.11% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| GitHub | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost-server | <3.2.0 <3.2.0+incompatible |
3.2.0 3.2.0+incompatible |
Classification
References
-
mattermost.com
/security-updates/
vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2016-11067
advisory
-
github.com
/mattermost/mattermost
web
-
mattermost.com
/security-updates
web
-
github.com
/advisories/GHSA-ffcc-qr2v-3qmv
advisory
Sources
- CVE List CVE-2016-11067
- GitHub Advisory GHSA-ffcc-qr2v-3qmv
- NVD CVE-2016-11067
- OSV GO-2025-4046
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.