{"id":"CVE-2026-92961","title":"vm2 before 3.11.6 fails to enforce bufferAllocLimit on ArrayBuffer, SharedArrayBuffer, and TypedArray constructors, allowing attackers to allocate arbitrary host memory","summary":"vm2 before 3.11.6 fails to enforce bufferAllocLimit on ArrayBuffer, SharedArrayBuffer, and TypedArray constructors, allowing attackers to allocate arbitrary host memory. Attackers can bypass the buffer allocation cap by using these V8 in…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-770"],"vendor":"patriksimek","product":"vm2","affected":["vm2 < 3.11.6"],"published":"2026-09-17","updated":"2026-09-21","sourceUpdated":"2026-09-21T21:17:17.057","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-92961","references":[{"url":"https://github.com/patriksimek/vm2/security/advisories/GHSA-v836-6xw4-9cx3","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/vm2-before-3.11.6-memory-exhaustion-dos-via-bufferalloclimit-bypass","label":"disclosure@vulncheck.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92961.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-92961"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-92961"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92961"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2536046"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-21T16:28:41.600458Z"},"epss":0.00375,"epssPercentile":0.31295,"ingestedAt":"2026-09-17T14:19:30.992Z","slug":"CVE-2026-92961","body":"## Overview\n\nvm2 before 3.11.6 fails to enforce bufferAllocLimit on ArrayBuffer, SharedArrayBuffer, and TypedArray constructors, allowing attackers to allocate arbitrary host memory. Attackers can bypass the buffer allocation cap by using these V8 intrinsics to exhaust host process memory and trigger out-of-memory conditions.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Important · affected: Red Hat Developer Hub, Self-service automation portal 2 · no fix planned: Red Hat Developer Hub, Self-service automation portal 2 · updated 2026-09-18 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92961.json)","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}