Informix dynamic server

This hub aggregates every CVE we track for Informix dynamic server, a product in the databases space. Use it to gauge the current risk picture and drill into individual advisories.

Severity distribution

Monthly trend

The 15 most recently published vulnerabilities affecting Informix dynamic server.

• CVE-2024-45675IBM Informix Dynamic Server Authentication Bypass8.4Dec 2, 2025
• CVE-2024-49343IBM Informix Dynamic Server HTML injection5.4Jul 28, 2025
• CVE-2024-49342IBM Informix Dynamic Server information disclosure7.5Jul 28, 2025
• CVE-2025-1991IBM Informix Dynamic Server denial of service7.5Jun 28, 2025
• CVE-2023-28523IBM Informix Dynamic Server buffer overflow8.4Dec 9, 2023
• CVE-2023-28526IBM Informix Dynamic Server buffer overflow6.2Dec 9, 2023
• CVE-2023-28527IBM Informix Dynamic Server buffer overflow6.2Dec 9, 2023
• CVE-2021-20515IBM Informix Dynamic Server 14.10 is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A local privileged user could overflow a buffer and execute arbitrary code on t...6.7Apr 30, 2021
• CVE-2020-4799IBM Informix spatial 14.10 could allow a local user to execute commands as a privileged user due to an out of bounds write vulnerability. IBM X-Force ID: 189460.7.8Oct 8, 2020
• CVE-2019-4253IBM Informix Dynamic Server Enterprise Edition 12.1 could allow a local privileged Informix user to load a malicious shared library and gain root access privileges. IBM X-Force ID: 159941.7.8Aug 20, 2019
• CVE-2018-1796IBM Informix Dynamic Server Enterprise Edition 12.1 could allow a local user to load malicious libraries and gain root privileges. IBM X-Force ID: 149426.7.8Aug 20, 2019
• CVE-2018-1634IBM Informix Dynamic Server Enterprise Edition 12.1 could allow a local user logged in with database administrator user to gain root privileges through a symbolic link vulnerability in infos.DBSERV...6.7Aug 20, 2019
• CVE-2018-1635Stack-based buffer overflow in oninit in IBM Informix Dynamic Server Enterprise Edition 12.1 allows an authenticated user to execute predefined code with root privileges, such as escalating to a ro...6.7Aug 20, 2019
• CVE-2018-1632IBM Informix Dynamic Server Enterprise Edition 12.1 could allow a local user logged in with database administrator user to gain root privileges through a symbolic link vulnerability in .infxdirs. I...6.7Aug 20, 2019
• CVE-2018-1636Stack-based buffer overflow in oninit in IBM Informix Dynamic Server Enterprise Edition 12.1 allows an authenticated user to execute predefined code with root privileges, such as escalating to a ro...6.7Aug 20, 2019