NetSight
medium5.7

CVE-2026-115390

Wasmtime 47.0.0 before 48.0.3 and 49.0.0 before 49.0.1 contains a fuel accounting flaw in Cranelift-compiled call_ref and try_table catch paths.

Impact

Wasmtime 47.0.0 before 48.0.3 and 49.0.0 before 49.0.1 contains a fuel accounting flaw in Cranelift-compiled call_ref and try_table catch paths. Malicious guests can reset consumed fuel after calls to run exponentially long on linear fuel, evading timeouts and periodic yields for denial of service.

Affected products

ProductAffected versions
Wasmtime 47.0.0
before 48.0.3
49.0.0
before 49.0.1

Versions were read from the advisory text. No structured product data has been published for this record yet.

Weakness classification

References