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CVE-2019-16225

30
FAUCET Score

CVE-2019-16225 is a critical vulnerability affecting py-lmdb 0.97, where improper handling of mp_flags in mdb_page_touch can lead to an invalid write operation. This flaw, triggered by an attacker-supplied data.mdb file, allows for remote code execution with high impact on confidentiality, integrity, and availability, as indicated by its CVSS score of 9.8. Despite its severity, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.97CPE matchmatch criteria
cpe:2.3:a:py-lmdb_project:py-lmdb:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.76%
Probability of exploitation in next 30 days
EPSS Percentile
75.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0176 is in the 64th percentile among its peer group of 36,821 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

pipGHSA-c74c-p4p7-r8q5critical

py-lmdb Invalid write operation

May 24, 2022

References

github.com / TeamSeri0us/pocs/tree/master/lmdb/lmdb%20write%20to%20illegal%20address
ExploitThird Party Advisory