PT-2026-132365
CVE-2026-119134
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Published
2026-10-29
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Updated
2026-10-29
Description by
CVSS 3.1
6.2
MediumMetricsAV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Wasmtime before 36.0.18, 37.0.0 before 48.0.6, and 49.0.0 before 49.0.3 caps component-model resource handle tables only per component instance and does not charge handle allocations to any ResourceLimiter or StoreLimits. A malicious guest can repeatedly call resource.new and instantiate sub-components to exceed the per-instance cap many times over, causing unbounded host memory growth.
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