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
| Product | Affected 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.