CVE-2019-16225
py-lmdb Invalid write operation
9.8
CRITICAL
CVSS 3.1
EPSS 0.42%
Description
An issue was discovered in py-lmdb 0.97. For certain values of mp_flags, mdb_page_touch does not properly set up mc->mc_pg[mc->top], leading to an invalid write operation. NOTE: this outcome occurs when accessing a data.mdb file supplied by an attacker.
How to fix CVE-2019-16225
To remediate CVE-2019-16225, upgrade the affected package to a fixed version below.
- Debian/py-lmdb—no fix listed
- —no fix listed
- —upgrade to 0.98 or later
Is CVE-2019-16225 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0
- from 0, <= 0.97
- from 0, < 0.98
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |