{"affected":[{"product":"i","source":"CNA: ibm","vendor":"IBM","versions":[{"status":"affected","version":"7.6"},{"status":"affected","version":"7.5"},{"status":"affected","version":"7.4"},{"status":"affected","version":"7.3"}]}],"cveId":"CVE-2026-115501","cwes":["CWE-121"],"description":"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.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":5.3,"severity":"medium","source":"CNA: ibm","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","version":"3.1"},{"score":5.3,"severity":"medium","source":"NVD: psirt@us.ibm.com","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","version":"3.1"}],"modifiedAt":1794608241723,"publishedAt":1794606388286,"references":[{"source":"CNA: ibm","tags":["vendor-advisory","patch"],"url":"https://www.ibm.com/support/pages/node/7296188"},{"source":"psirt@us.ibm.com","tags":[],"url":"https://www.ibm.com/support/pages/node/7296188"}],"remediation":[{"kind":"fix","source":"CNA: ibm","text":"IBM i Release5770-SS1 \nPTF Number(s)PTF Download Link(s)7.6SJ12288 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ12288 7.5SJ12287 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ12287 7.4SJ12286 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ12286 7.3SJ12285 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ12285 \n\n\n\nIBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products."},{"kind":"fix","source":"CNA: ibm","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://www.ibm.com/support/pages/node/7296188"}],"revision":"ef16c7835300af5e9d05ade65524373311408c755c6071d1f20640759dbedd34","sources":[{"modifiedAt":1794606698210,"name":"CNA: ibm","retrievedAt":1794607733797,"url":"https://www.cve.org/CVERecord?id=CVE-2026-115501"},{"modifiedAt":1794608241723,"name":"NVD","retrievedAt":1794615615633,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115501"}],"ssvc":{"assessedAt":1794606691064,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"IBM i is Affected By A Buffer Overflow Vulnerability in QFileSvr.400 File System []","updatedAt":1794615615633}