CVE-2016-4864

Name	CVE-2016-4864
Description	H2O versions 2.0.3 and earlier and 2.1.0-beta2 and earlier allows remote attackers to cause a denial-of-service (DoS) via format string specifiers in a template file via fastcgi, mruby, proxy, redirect or reproxy.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
h2o (PTS)	buster (security), buster, buster (lts)	2.2.5+dfsg2-2+deb10u2	fixed
	bullseye	2.2.5+dfsg2-6	fixed
	bookworm	2.2.5+dfsg2-7	fixed
	sid, trixie	2.2.5+dfsg2-9	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
h2o	source	(unstable)	(not affected)

- h2o <not-affected> (Fixed before initial upload to Debian)
https://github.com/h2o/h2o/issues/1077