VDB
CVE-2019-16226
CVE-2019-16226
PUBLISHED
CVSS 7.5 HIGH
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.
EPSS 1.59% · 73.6th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
1.59%
73.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | py-lmdb | 0.86-1build2, 0.86-1build1, 0 |
| Ubuntu:25.10 | py-lmdb | 0, 1.4.1-3build2 |
| Ubuntu:22.04:LTS | py-lmdb | 1.0.0-1build3, 0, 1.0.0-1build1 |
| Ubuntu:24.04:LTS | py-lmdb | 1.4.1-2build2, 0, 1.4.1-2 |
| Ubuntu:18.04:LTS | py-lmdb | 0.86-1build4, 0 |
| Ubuntu:20.04:LTS | py-lmdb | 0.86-1.2build1, 0.86-1.2, 0.86-1.1build1 |
Timeline
- Sep 11, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 1, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 3, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Nov 8, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2019-16226 third-party-advisory
- https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb%20memory%20corruption%20vuln third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-16226 third-party-advisory