IBM Informix 9.40.xc7

Integer overflow in librpc.dll in portmap.exe (aka the ISM Portmapper service) in ISM before 2.20.TC1.117 in IBM Informix Dynamic Server (IDS) 7.x before 7.31.xD11, 9.x before 9.40.xC10, 10.00 before 10.00.xC8, and 11.10 before 11.10.xC2 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted parameter size, aka idsdb00146931, idsdb00146930, idsdb00146929, and idsdb00138308.

Stack-based buffer overflow in IBM Informix Dynamic Server (IDS) 7.x through 7.31, 9.x through 9.40, 10.00 before 10.00.xC10, 11.10 before 11.10.xC3, and 11.50 before 11.50.xC3 allows remote authenticated users to execute arbitrary code via long DBINFO keyword arguments in a SQL statement, aka idsdb00165017, idsdb00165019, idsdb00165021, idsdb00165022, and idsdb00165023.

Buffer overflow in IBM Informix Dynamic Server (IDS) before 9.40.TC7 and 10.00 before 10.00.TC3, when running on Windows, allows remote attackers to execute arbitrary code via a long username.

IBM Informix Dynamic Server (IDS) before 9.40.xC8 and 10.00 before 10.00.xC4 stores passwords in plaintext in shared memory, which allows local users to obtain passwords by reading the memory (product defects 171893, 171894, 173772).