CVE-2019-16226

Name	CVE-2019-16226
Description	An issue was discovered in py-lmdb 0.97. mdb_node_del does not validate a memmove in the case of an unexpected node->mn_hi, leading to an invalid write operation. NOTE: this outcome occurs when accessing a data.mdb file supplied by an attacker.
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)
NVD severity	medium

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
py-lmdb (PTS)	stretch	0.86-1	vulnerable
	bullseye, sid	0.86-1.2	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
py-lmdb	source	(unstable)	(unfixed)	unimportant

Notes

https://github.com/jnwatson/py-lmdb/issues/210
No real security issue in py-lmdb and disputed (MITRE contacted). If at all
then issues in underlying library but cf. https://github.com/jnwatson/py-lmdb/issues/210#issuecomment-531015023