Vulnerability DatabaseCVE-2019-16228
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CVE-2019-16228
Published:September 11, 2019
Updated:May 17, 2026
An 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.
Related Resources (5)
https://nvd.nist.gov/vuln/detail/CVE-2019-16228
https://pypi.org/project/lmdb
https://github.com/TeamSeri0us/pocs/tree/master/lmdb/FPE
https://github.com/pypa/advisory-database/tree/main/vulns/lmdb/PYSEC-2019-240.yaml
https://github.com/jnwatson/py-lmdb
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Divide By Zero
CWE-369
EPSS
Base Score:
0.25