CVE-2024-34750

Name	CVE-2024-34750
Description	Improper Handling of Exceptional Conditions, Uncontrolled Resource Consumption vulnerability in Apache Tomcat. When processing an HTTP/2 stream, Tomcat did not handle some cases of excessive HTTP headers correctly. This led to a miscounting of active HTTP/2 streams which in turn led to the use of an incorrect infinite timeout which allowed connections to remain open which should have been closed. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M20, from 10.1.0-M1 through 10.1.24, from 9.0.0-M1 through 9.0.89. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 though 8.5.100. Users are recommended to upgrade to version 11.0.0-M21, 10.1.25 or 9.0.90, which fixes the issue.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-4244-1, DSA-5845-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
tomcat10 (PTS)	bookworm, bookworm (security)	10.1.34-0+deb12u2	fixed
	trixie	10.1.40-1	fixed
	forky, sid	10.1.46-1	fixed
tomcat9 (PTS)	bullseye	9.0.43-2~deb11u10	vulnerable
	bullseye (security)	9.0.107-0+deb11u1	fixed
	bookworm	9.0.70-2	fixed
	forky, sid, trixie	9.0.95-1	fixed

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

Package	Type	Release	Fixed Version	Origin
tomcat10	source	bookworm	10.1.34-0+deb12u1	DSA-5845-1
tomcat10	source	(unstable)	10.1.25-1
tomcat9	source	bullseye	9.0.107-0+deb11u1	DLA-4244-1
tomcat9	source	(unstable)	9.0.70-2

Notes

https://lists.apache.org/thread/4kqf0bc9gxymjc2x7v3p7dvplnl77y8l
https://github.com/apache/tomcat/commit/2afae300c9ac9c0e516e2e9de580847d925365c3 (10.1.25)
https://github.com/apache/tomcat/commit/9fec9a82887853402833a80b584e3762c7423f5f (9.0.90)
Starting with 9.0.70-2 src:tomcat9 no longer ships the server stack, using that as the fixed version