CVE-2026-119132 | BDVDB-2026-397888 Detail

Description#

Wasmtime from 49.0.0 before 49.0.3 contains a denial-of-service vulnerability that allows a WebAssembly guest to trigger a host panic by transcoding overlapping strings in fused adapters. Attackers can make a same-instance component-to-component call transferring a string whose source and destination alias each other, crashing the host instead of raising a trap.

Impact#

Weaknesses#

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Exploit#

History#

1. Version 12026-10-29Record published in the CVE List.
2. Version 22026-11-03Most recent update recorded in the CVE List.