CVE-2019-16226

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.

• CWE-787

• https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb%20memory%20corruption%20vulnExploit, Third Party Advisory
• https://github.com/TeamSeri0us/pocs/tree/master/lmdb/lmdb%20memory%20corruption%20vulnExploit, Third Party Advisory

Published

Sep 11, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2019-16220In WordPress before 5.2.3, validation and sanitization of a …6.1
• CVE-2019-16221WordPress before 5.2.3 allows reflected XSS in the dashboard…6.1
• CVE-2019-16222WordPress before 5.2.3 has an issue with URL sanitization in…6.1
• CVE-2019-16223WordPress before 5.2.3 allows XSS in post previews by authen…5.4
• CVE-2019-16224An issue was discovered in py-lmdb 0.97. For certain values …9.8
• CVE-2019-16225An issue was discovered in py-lmdb 0.97. For certain values …9.8
• CVE-2019-16227An issue was discovered in py-lmdb 0.97. For certain values …9.8
• CVE-2019-16228An issue was discovered in py-lmdb 0.97. There is a divide-b…7.5
• CVE-2019-16229drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c in the Linux kern…4.1
• CVE-2019-1623A vulnerability in the CLI configuration shell of Cisco Meet…6.7
• CVE-2019-16230drivers/gpu/drm/radeon/radeon_display.c in the Linux kernel …4.7
• CVE-2019-16231drivers/net/fjes/fjes_main.c in the Linux kernel 5.2.14 does…4.1