Buffer overflow in Py-Lmdb Project

CVE-2019-16226

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.

Vulnerability class: Buffer Overflow

EPSS: 0.015 (72.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-16226?
CVE-2019-16226 is a high-severity vulnerability in Py-Lmdb Project, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2019-09-11.
How severe is CVE-2019-16226?
High severity. CVSS v3 base score is 7.5 out of 10.