Buffer overflow in sqlexec for Informix SE-7.25 allows local users to gain root privileges via a long INFORMIXDIR environment variable.

Multiple stack-based and heap-based buffer overflows in the Windows RPC components for IBM Informix Storage Manager (ISM), as used in Informix Dynamic Server (IDS) 10.00.xC8 and earlier and 11.10.xC2 and earlier, allow attackers to execute arbitrary code via crafted XDR requests.

Multiple integer overflows in setnet32.exe 3.50.0.13752 in IBM Informix Client SDK 3.0 and 3.50 and Informix Connect Runtime 3.x allow remote attackers to execute arbitrary code via a .nfx file with a crafted (1) HostSize, and possibly (2) ProtoSize and (3) ServerSize, field that triggers a stack-based buffer overflow involving a crafted HostList field. NOTE: some of these details are obtained from third party information.

Cross-site scripting (XSS) vulnerability in IBM Informix Open Admin Tool (OAT) 2.x and 3.x before 3.11.1 allows remote authenticated users to inject arbitrary web script or HTML via a crafted URL.

IBM Informix Open Admin Tool 11.5, 11.7, and 12.1 could allow an unauthorized user to execute arbitrary code as system admin on Windows servers. IBM X-Force ID: 120390.