CVE-2019-25034

Name	CVE-2019-25034
Description	DISPUTED Unbound before 1.9.5 allows an integer overflow in sldns_str2wire_dname_buf_origin, leading to an out-of-bounds write. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited.
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)
References	DLA-2652-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
unbound (PTS)	buster, buster (security)	1.9.0-2+deb10u2	vulnerable
	bullseye	1.13.1-1	fixed
	bookworm, sid	1.16.3-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin
unbound	source	stretch	(unfixed)	end-of-life
unbound	source	(unstable)	1.9.6-1	unimportant
unbound1.9	source	stretch	1.9.0-2+deb10u2~deb9u2		DLA-2652-1

Notes

[stretch] - unbound <end-of-life> (No longer supported, see DSA 4694)
https://github.com/NLnetLabs/unbound/commit/a3545867fcdec50307c776ce0af28d07046a52dd
Not deemed an exploitable vulnerability by upstream