| Package | Affected versions | Patched versions |
|---|---|---|
| twisted | < 19.10.0 | 19.10.0 |
Twisted web servers that utilize the optional HTTP/2 support suffer from the following flow-control related vulnerabilities:
Ping flood: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9512 Reset flood: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9514 Settings flood: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9515
A Twisted web server supports HTTP/2 requests if you've installed the http2 optional dependency set.
There are no workarounds.
https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md
If you have any questions or comments about this advisory:
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