CVE-2021-3629

NameCVE-2021-3629
DescriptionA 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs1016448

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
undertow (PTS)sid2.2.21-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
undertowsource(unstable)2.2.12-11016448

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
Search for package or bug name: Reporting problems