CVE-2026-115501

IBM i 7.3 7.4, 7.5, and 7.6 is vulnerable to a stack buffer overflow, caused by improper bounds checking in the QFileSvr.400 file system. By sending a command in the QFileSvr.400 file system, a local authenticated attacker could cause undefined behavior...

Security Bulletin: IBM i is Affected By A Buffer Overflow Vulnerability in QFileSvr.400 File System [CVE-2026-115501]

Summary IBM i is vulnerable to stack bufer overlow caused by improper bounds checking CVE-2026-115501 in the QFileSvr.400 file system as described in the vulnerability details section. Vulnerability Details ID: CVE-2026-115501 DESCRIPTION: IBM i is vulnerable to a stack buffer overflow, caused by...