CVE-2019-11027

Name	CVE-2019-11027
Description	Ruby OpenID (aka ruby-openid) through 2.8.0 has a remotely exploitable flaw. This library is used by Rails web applications to integrate with OpenID Providers. Severity can range from medium to critical, depending on how a web application developer chose to employ the ruby-openid library. Developers who based their OpenID integration heavily on the "example app" provided by the project are at highest risk.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-1956-1
Debian Bugs	930388

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ruby-openid (PTS)	bullseye	2.9.2debian-1	fixed
	bookworm	2.9.2debian-2	fixed
	trixie, sid	2.9.2debian-3	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
ruby-openid	source	jessie	2.5.0debian-1+deb8u1		DLA-1956-1
ruby-openid	source	(unstable)	2.9.2debian-1			930388

Notes

[buster] - ruby-openid <no-dsa> (Minor issue)
[stretch] - ruby-openid <no-dsa> (Minor issue)
https://github.com/openid/ruby-openid/issues/122
https://github.com/openid/ruby-openid/issues/122#issuecomment-520304211
https://github.com/openid/ruby-openid/commit/8a4c31a6740a949cdc29d956c276ba3c4021dfa8
https://github.com/openid/ruby-openid/commit/f526132c6cb5d9195351c16ed36dced4ca3db496