{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44004","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-04T21:24:36.505Z","datePublished":"2026-05-13T17:31:16.281Z","dateUpdated":"2026-08-06T12:09:02.046Z"},"containers":{"cna":{"title":"vm2: Host Process OOM DoS via Buffer.alloc (Timeout Bypass)","problemTypes":[{"descriptions":[{"cweId":"CWE-770","lang":"en","description":"CWE-770: Allocation of Resources Without Limits or Throttling","type":"CWE"}]}],"metrics":[{"cvssV3_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","version":"3.1"}}],"references":[{"name":"https://github.com/patriksimek/vm2/security/advisories/GHSA-6785-pvv7-mvg7","tags":["x_refsource_CONFIRM"],"url":"https://github.com/patriksimek/vm2/security/advisories/GHSA-6785-pvv7-mvg7"}],"affected":[{"vendor":"patriksimek","product":"vm2","versions":[{"version":"< 3.11.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-05-13T17:31:16.281Z"},"descriptions":[{"lang":"en","value":"vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, sandboxed code can call Buffer.alloc() with an arbitrary size to allocate memory directly on the host heap. Because Buffer.alloc is a synchronous C++ native call, vm2's timeout option cannot interrupt it. A single request can exhaust host memory and crash the process with a FATAL ERROR: Reached heap limit. This vulnerability is fixed in 3.11.0."}],"source":{"advisory":"GHSA-6785-pvv7-mvg7","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/patriksimek/vm2/security/advisories/GHSA-6785-pvv7-mvg7","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-13T18:07:58.206805Z","id":"CVE-2026-44004","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-13T18:19:28.423Z"}},{"affected":[{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:ansible_portal:2.1"],"defaultStatus":"affected","packageName":"ansible-automation-platform/automation-portal","product":"Red Hat Ansible Automation Platform 2.1","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1785854226","versionType":"rpm"}]},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhdh:1"],"defaultStatus":"unaffected","packageName":"rhdh/rhdh-hub-rhel9","product":"Red Hat Developer Hub","vendor":"Red Hat"}],"datePublic":"2026-05-13T17:31:16.281Z","descriptions":[{"lang":"en","value":"A flaw was found in vm2 (before 3.11.0). Sandboxed code can call Buffer.alloc() with arbitrary size to allocate on the host heap synchronously; vm2 timeout cannot interrupt the native C++ call, allowing a single request to exhaust host memory and crash the process. Fixed in 3.11.0."}],"metrics":[{"other":{"content":{"namespace":"https://access.redhat.com/security/updates/classification/","value":"Important"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1285","description":"Improper Validation of Specified Index, Position, or Offset in Input","lang":"en","type":"CWE"}]}],"references":[{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-44004"},{"name":"RHBZ#2477195","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2477195"},{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44004.json"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:50850"}],"solutions":[{"lang":"en","value":"RHSA-2026:50850: Red Hat Ansible Automation Platform 2.1"}],"timeline":[{"lang":"en","time":"2026-05-13T18:01:38.304Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-05-13T17:31:16.281Z","value":"Made public."}],"title":"vm2: vm2: Denial of Service via host memory exhaustion","x_adpType":"supplier","x_generator":{"engine":"sadp-cli 1.0.0"},"providerMetadata":{"orgId":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","shortName":"redhat-SADP","dateUpdated":"2026-08-06T12:09:02.046Z"}}]}}