CVE-2023-3223

Name	CVE-2023-3223
Description	A flaw was found in undertow. Servlets annotated with @MultipartConfig may cause an OutOfMemoryError due to large multipart content. This may allow unauthorized users to cause remote Denial of Service (DoS) attack. If the server uses fileSizeThreshold to limit the file size, it's possible to bypass the limit by setting the file name in the request to null.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1054893

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
undertow (PTS)	sid	2.3.18-2	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)	2.3.18-1			1054893

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=2209689
https://github.com/undertow-io/undertow/pull/1521 (2.3.9.Final)
https://github.com/undertow-io/undertow/pull/1523 (backport, 2.2.27.Final)
https://issues.redhat.com/browse/UNDERTOW-2271