Medium severity4.8NVD Advisory· Published Oct 29, 2026· Updated Oct 29, 2026
CVE-2026-119138
CVE-2026-119138
Description
Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a denial of service vulnerability that allows pending calls to trigger an assertion failure after a trap poisons the Store. Attackers supplying misbehaving guest code can cause a trap and let earlier calls proceed, crashing embedders that continue using the inconsistent Store.
Affected products
1- Range: <48.0.6, <49.0.3
Patches
Vulnerability mechanics
References
2News mentions
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