CVE-2020-13935

Name	CVE-2020-13935
Description	The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.
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)
References	DLA-2286-1, DSA-4727-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
tomcat9 (PTS)	bookworm	9.0.70-2	fixed
	trixie	9.0.95-1	fixed
	forky, sid	9.0.118-1	fixed

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

Package	Type	Release	Fixed Version	Origin
tomcat8	source	stretch	8.5.54-0+deb9u3	DLA-2286-1
tomcat8	source	(unstable)	(unfixed)
tomcat9	source	buster	9.0.31-1~deb10u2	DSA-4727-1
tomcat9	source	(unstable)	9.0.37-1

Notes

https://www.openwall.com/lists/oss-security/2020/07/14/3
https://github.com/apache/tomcat/commit/12d715676038efbf9c728af10163f8277fc019d5 (8.5.57)
https://github.com/apache/tomcat/commit/40fa74c74822711ab878079d0a69f7357926723d (9.0.37)