GO-2026-4282
Mattermost Server is vulnerable to channel invisibility DoS via misformatted post in github.com/mattermost/mattermost-server
Quick fix
GO-2026-4282 — github.com/mattermost/mattermost-server: upgrade to the fixed version with the command below.
go get github.com/mattermost/mattermost-server@v4.1.2-0.20171013141717-ee57a5829ab1+incompatibleDetails
Mattermost Server is vulnerable to channel invisibility DoS via misformatted post in github.com/mattermost/mattermost-server.
NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.
(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)
The additional affected modules and versions are: github.com/mattermost/mattermost-server before v4.1.2-0.20171013141717-ee57a5829ab1, before v4.2.1-0.20171013140502-b3e4b0ac9168.
Are you affected?
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Affected packages
0Fixed in: 4.1.2-0.20171013141717-ee57a5829ab1+incompatiblego get github.com/mattermost/mattermost-server@v4.1.2-0.20171013141717-ee57a5829ab1+incompatibleReferences
- https://github.com/advisories/GHSA-x6mw-hf2j-vqpc[ADVISORY]
- https://nvd.nist.gov/vuln/detail/CVE-2017-18873[ADVISORY]
- https://github.com/mattermost/mattermost/commit/9adaf53e110e0e806b21903111aacb93129668cb[WEB]
- https://github.com/mattermost/mattermost/commit/b3e4b0ac91682093276a653f7ccd5774aaa9cd06[WEB]
- https://github.com/mattermost/mattermost/commit/ee57a5829ab162859e0e355dac6cfe6ca1a8f379[WEB]
- https://mattermost.com/security-updates[WEB]