{"id":"CVE-2026-16340","title":"IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow a remote attacker to execute arbitrary code due to an out-of-bounds write in the RFC2047 encod…","summary":"IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow a remote attacker to execute arbitrary code due to an out-of-bounds write in the RFC2047 encod…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-787"],"vendor":"ibm","product":"datapower_gateway","affected":["datapower_gateway >= 10.5.0.0, < 10.5.0.23","datapower_gateway >= 10.6.0.0, < 10.6.0.11","datapower_gateway >= 10.6.1.0, < 11.0.0.3","datapower_gateway >= 11.0.0.0, < 11.0.0.3"],"patched":["datapower_gateway 11.0.0.3"],"published":"2026-10-08","updated":"2026-10-15","sourceUpdated":"2026-10-15T00:02:49.540","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-16340","references":[{"url":"https://www.ibm.com/support/pages/node/7289775","label":"psirt@us.ibm.com"}],"tags":["nvd","cve.org"],"epss":0.00489,"epssPercentile":0.41852,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-08T15:31:47.022849Z"},"ingestedAt":"2026-10-08T13:42:55.143Z","slug":"CVE-2026-16340","body":"## Overview\n\nIBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow a remote attacker to execute arbitrary code due to an out-of-bounds write in the RFC2047 encoded-word parser.\n\n## Affected\n\n- `datapower_gateway >= 10.5.0.0, < 10.5.0.23`\n- `datapower_gateway >= 10.6.0.0, < 10.6.0.11`\n- `datapower_gateway >= 10.6.1.0, < 11.0.0.3`\n- `datapower_gateway >= 11.0.0.0, < 11.0.0.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `datapower_gateway 11.0.0.3`","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}