CVE-2019-16226

PoC —

CVSS 3.1

7.5 high

EPSS

2%p74

Published

Sep 11, 2019 (Sep 11, 2019)

Modified

Jun 17, 2026

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.

Vendors: py-lmdb project
Products: py-lmdb
Weakness: CWE-787
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.6%)

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