CVE-2019-16228

NameCVE-2019-16228
DescriptionAn issue was discovered in py-lmdb 0.97. There is a divide-by-zero error in the function mdb_env_open2 if mdb_env_read_header obtains a zero value for a certain size field. NOTE: this outcome occurs when accessing a data.mdb file supplied by an attacker.
SourceCVE (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 severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
py-lmdb (PTS)stretch0.86-1vulnerable
bullseye, sid0.86-1.1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
py-lmdbsource(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

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