CVE-2003-0087

CVE-2003-0087 describes a buffer overflow vulnerability in the libIM library (libIM.a) within the National Language Support (NLS) component of IBM AIX versions 4.3 through 5.2. This flaw allows local users to escalate their privileges by providing an excessively long -im argument to applications like aixterm. With a CVSS score of 7.2, this vulnerability is considered highly severe, enabling a local attacker to achieve complete compromise of confidentiality, integrity, and availability with low attack complexity. While not currently on the KEV catalog, exploit code for this vulnerability is publicly available via ExploitDB, though there is no evidence of active exploitation or significant community discussion.