Servers and applications
CVE-2018-21018
Mastodon before 2.6.3 mishandles timeouts of incompletely established sessions.
- Severity
- Critical 9.8
- Published
- 22 Sept 2019
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Fixed in
- 2.6.3
- Exploit chance
- 2.6% in the next 30 daysHigher than 85% of CVEs. EPSS by FIRST, 10 Nov 2026
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
MastodonServers and applications · cpe:a:joinmastodon:mastodon |
|