Resource exhaustion in Patriksimek Vm2
CVE-2026-92961
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 intrinsics to exhaust host process memory and trigger out-of-memory conditions.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (45.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/patriksimek/vm2/security/advisories/GHSA-v836-6xw4-9cx3 (vendor-advisory)
- www.vulncheck.com/advisories/vm2-before-3.11.6-memory-exhaustion-dos-via-buffer… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-92961?
- CVE-2026-92961 is a high-severity vulnerability in Patriksimek Vm2, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-09-17.
- How severe is CVE-2026-92961?
- High severity. CVSS v3 base score is 7.5 out of 10.