{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-126165", "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "state": "PUBLISHED", "assignerShortName": "fortinet", "dateReserved": "2026-11-10T20:03:56.072Z", "datePublished": "2026-11-11T21:29:24.082Z", "dateUpdated": "2026-11-11T21:29:24.082Z"}, "containers": {"cna": {"affected": [{"vendor": "Fortinet", "product": "FortiMail", "cpes": ["cpe:2.3:a:fortinet:fortimail:8.0.1:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:8.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.6.6:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.6.5:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.6.4:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.6.3:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.6.2:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.6.1:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.6.0:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.4.8:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.4.7:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.4.6:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.4.5:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.4.4:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.4.3:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.4.2:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.4.1:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.4.0:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.2.9:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.2.8:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.2.7:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.2.6:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.2.5:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.2.4:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.2.3:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.2.2:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.2.1:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.2.0:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.0.9:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.0.8:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.0.7:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.0.6:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.0.5:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.0.4:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.0.3:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.0.2:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.0.1:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortimail:7.0.0:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "versions": [{"versionType": "semver", "version": "8.0.0", "lessThanOrEqual": "8.0.1", "status": "affected"}, {"versionType": "semver", "version": "7.6.0", "lessThanOrEqual": "7.6.6", "status": "affected"}, {"versionType": "semver", "version": "7.4.0", "lessThanOrEqual": "7.4.8", "status": "affected"}, {"versionType": "semver", "version": "7.2.0", "lessThanOrEqual": "7.2.9", "status": "affected"}, {"versionType": "semver", "version": "7.0.0", "lessThanOrEqual": "7.0.9", "status": "affected"}]}], "descriptions": [{"lang": "en", "value": "A memory allocation with excessive size value vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2 all versions may allow a remote unauthenticated attacker to cause a denial of service via a specially crafted attachment delivered over SMTP."}], "providerMetadata": {"orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "shortName": "fortinet", "dateUpdated": "2026-11-11T21:29:24.082Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-789", "description": "Denial of service", "type": "CWE"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C"}}], "solutions": [{"lang": "en", "value": "Upgrade to FortiMail version 8.0.2 or above\nUpgrade to FortiMail version 7.6.7 or above\nUpgrade to FortiMail version 7.4.9 or above"}], "references": [{"name": "https://fortiguard.fortinet.com/psirt/FG-IR-26-217", "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-217"}]}}}

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