CVE-2019-13075

Name	CVE-2019-13075
Description	Tor Browser through 8.5.3 has an information exposure vulnerability. It allows remote attackers to detect the browser's language via vectors involving an IFRAME element, because text in that language is included in the title attribute of a LINK element for a non-HTML page. This is related to a behavior of Firefox before 68.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
firefox (PTS)	sid	113.0.2-1	fixed
firefox-esr (PTS)	buster	91.12.0esr-1~deb10u1	fixed
	buster (security)	102.11.0esr-1~deb10u1	fixed
	bullseye	102.10.0esr-1~deb11u1	fixed
	bullseye (security)	102.11.0esr-1~deb11u1	fixed
	bookworm, sid	102.11.0esr-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
firefox	source	(unstable)	68.0-1	unimportant
firefox-esr	source	(unstable)	68.2.0esr-1	unimportant

Notes

https://hackerone.com/reports/588239
https://trac.torproject.org/projects/tor/ticket/30657
This affects Firefox, but it's not a security issue in Firefox by itself