GHSA-c6hx-pjc3-7fqr
Traefik HTTP/2 connections management could cause a denial of service
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Go | github.com/traefik/traefik/v2 | < 2.8.8 | 2.8.8 |
| Go | github.com/traefik/traefik/v2 | >= 2.9.0-rc1, < 2.9.0-rc5 | 2.9.0-rc5 |
Details
As written in the advisory (Markdown source, shown as plain text).
### Impact
There is a potential vulnerability in Traefik managing HTTP/2 connections.
A closing HTTP/2 server connection could hang forever because of a subsequent fatal error. This failure mode could be exploited to cause a denial of service.
### Patches
Traefik v2.8.x: https://github.com/traefik/traefik/releases/tag/v2.8.8
Traefik v2.9.x: https://github.com/traefik/traefik/releases/tag/v2.9.0-rc5
### Workarounds
No workaround.
### For more information
If you have any questions or comments about this advisory, please [open an issue](https://github.com/traefik/traefik/issues).
References
External links from the advisory. They lead to third-party sites.