CVE-2019-9936

Name	CVE-2019-9936
Description	In SQLite 3.27.2, running fts5 prefix queries inside a transaction could trigger a heap-based buffer over-read in fts5HashEntrySort in sqlite3.c, which may lead to an information leak. This is related to ext/fts5/fts5_hash.c.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
References	DLA-2340-1
NVD severity	medium
Debian Bugs	925289

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
sqlite3 (PTS)	stretch	3.16.2-5+deb9u1	vulnerable
	stretch (security)	3.16.2-5+deb9u3	fixed
	buster	3.27.2-3+deb10u1	fixed
	bullseye	3.34.1-2	fixed
	sid	3.34.1-3	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
sqlite3	source	jessie	(not affected)
sqlite3	source	stretch	3.16.2-5+deb9u2		DLA-2340-1
sqlite3	source	(unstable)	3.27.2-2	low		925289

[jessie] - sqlite3 <not-affected> (fts5 introducded later, function not available for fts3)
https://sqlite.org/src/info/b3fa58dd7403dbd4