CVE-2021-3119

Zetetic SQLCipher 4.x before 4.4.3 has a NULL pointer dereferencing issue related to sqlcipher_export in crypto.c and sqlite3StrICmp in sqlite3.c. This may allow an attacker to perform a remote denial of service attack. For example, an SQL injection can be used to execute the crafted SQL command sequence, which causes a segmentation fault.

• CWE-476

• https://github.com/sqlcipher/sqlcipher/commit/cb71f53e8cea4802509f182fa5bead0ac6ab0e7f#diff-9305215a9a0ea69300281fc4af90bc7f3437e34a0e1745d030213152993ddae4Patch, Third Party Advisory
• https://www.telekom.com/resource/blob/621186/3fb50ca7a4a97728be18717ed7b0062c/dl-210308-critical-dos-vulnerability-in-sqlcipher-sql-command-processing-data.pdfExploit, Vendor Advisory
• https://github.com/sqlcipher/sqlcipher/commit/cb71f53e8cea4802509f182fa5bead0ac6ab0e7f#diff-9305215a9a0ea69300281fc4af90bc7f3437e34a0e1745d030213152993ddae4Patch, Third Party Advisory
• https://www.telekom.com/resource/blob/621186/3fb50ca7a4a97728be18717ed7b0062c/dl-210308-critical-dos-vulnerability-in-sqlcipher-sql-command-processing-data.pdfExploit, Vendor Advisory

Published

Mar 25, 2021

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-2021-31183Windows TCP/IP Driver Denial of Service Vulnerability7.5
• CVE-2021-31184Microsoft Windows Infrared Data Association (IrDA) Informati…5.5
• CVE-2021-31185Windows Desktop Bridge Denial of Service Vulnerability5.5
• CVE-2021-31186Windows Remote Desktop Protocol (RDP) Information Disclosure…7.4
• CVE-2021-31187Windows WalletService Elevation of Privilege Vulnerability7.8
• CVE-2021-31188Windows Graphics Component Elevation of Privilege Vulnerabil…7.8
• CVE-2021-31190Windows Container Isolation FS Filter Driver Elevation of Pr…7.8
• CVE-2021-31191Windows Projected File System FS Filter Driver Information D…5.5
• CVE-2021-31192Windows Media Foundation Core Remote Code Execution Vulnerab…7.8
• CVE-2021-31193Windows SSDP Service Elevation of Privilege Vulnerability7.8
• CVE-2021-31194OLE Automation Remote Code Execution Vulnerability8.8
• CVE-2021-31195Microsoft Exchange Server Remote Code Execution Vulnerabilit…6.5