| Name | CVE-2021-3629 |
| Description | A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.40.Final and prior to 2.2.11.Final. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1016448 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| undertow (PTS) | sid, trixie | 2.3.8-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| undertow | source | (unstable) | 2.2.12-1 | | | 1016448 |
Notes
https://bugzilla.redhat.com/show_bug.cgi?id=1977362
Make sure to also address followup tracked as CVE-2022-1259:
https://bugzilla.redhat.com/show_bug.cgi?id=2072339