ChainPylons · WaitressPyPI:waitress
Pylons Waitress: successive fixes (2019–2020)
5 CVEs over 3 generations, 20 Dec 2019 to 4 Feb 2020.
Family tree
Left to right by publication date.Oldest first. Select a CVE to open it.- CVE-2019-1678520 Dec 2019 related to CVE-2019-16786
- CVE-2019-1678620 Dec 2019 No direct link to an earlier CVE
- CVE-2019-1678926 Dec 2019 related to CVE-2019-16786related to CVE-2019-16785
- CVE-2019-1679222 Jan 2020 related to CVE-2019-16786related to CVE-2019-16785and 1 more
- CVE-2020-52364 Feb 2020 related to CVE-2019-16789
Exploited in the wild (CISA KEV) Not in KEV Priority score (0 to 100) High confidence Medium Low Link confidenceHow strong the evidence is that two CVEs are related. High: stated in the CVE text or linked in an advisory, or the same code was patched one release apart. Medium: the same code, or a version step plus a similar description. Low: similar description only.
CVEs in this family
Table view of the tree| CVE | Published | Title | Linked from | Priority |
|---|---|---|---|---|
| CVE-2019-16785 | 20 Dec 2019 | HTTP Request Smuggling: LF vs CRLF handling in Waitress · fixed in 1.4.0 | CVE-2019-16786 · related · High | 22.0 |
| CVE-2019-16786 | 20 Dec 2019 | HTTP Request Smuggling: Invalid Transfer-Encoding in Waitress · fixed in 1.4.0 | First in chain | 21.7 |
| CVE-2019-16789 | 26 Dec 2019 | HTTP Request Smuggling in Waitress: Invalid whitespace characters in headers · fixed in 1.4.2 | CVE-2019-16786 · related · High | 22.0 |
| CVE-2019-16792 | 22 Jan 2020 | HTTP Request Smuggling: Content-Length Sent Twice in Waitress · fixed in 1.4.0 | CVE-2019-16786 · related · High | 21.1 |
| CVE-2020-5236 | 4 Feb 2020 | Catastrophic backtracking in regex allows Denial of Service in Waitress · fixed in 1.4.3 | CVE-2019-16789 · related · High | 25.7 |