CVE-2026-34946
2 advisories.
crates.io/wasmtime CVE-2026-34946: high 7.5, EPSS 0.42%
Wasmtime has host panic when Winch compiler executes `table.fill`
Action: Upgrade wasmtime to 36.0.7 or later.
cargo update -p wasmtime --precise 36.0.7cargo update -p wasmtime --precise 42.0.2cargo update -p wasmtime --precise 43.0.1Affected
| introduced | fixed | last affected |
|---|---|---|
| 25.0.0 | 36.0.7 | - |
| 37.0.0 | 42.0.2 | - |
| 43.0.0 | 43.0.1 | - |
Fixed versions
| 36.0.7 | 42.0.2 | 43.0.1 |
Sources
- osv: GHSA-q49f-xg75-m9xw
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-q49f-xg75-m9xw
- https://nvd.nist.gov/vuln/detail/CVE-2026-34946
- https://github.com/bytecodealliance/wasmtime
- https://rustsec.org/advisories/RUSTSEC-2026-0089.html
CVE-2026-34946 · published · modified · JSON
crates.io/wasmtime CVE-2026-34946: unknown, EPSS 0.42%
Host panic when Winch compiler executes `table.fill`
Action: Upgrade wasmtime to 36.0.7 or later.
cargo update -p wasmtime --precise 36.0.7cargo update -p wasmtime --precise 42.0.2cargo update -p wasmtime --precise 43.0.1Affected
| introduced | fixed | last affected |
|---|---|---|
| 0.0.0-0 | 36.0.7 | - |
| 37.0.0 | 42.0.2 | - |
| 43.0.0 | 43.0.1 | - |
Fixed versions
| 36.0.7 | 42.0.2 | 43.0.1 |
Sources
- osv: RUSTSEC-2026-0089
- https://crates.io/crates/wasmtime
- https://rustsec.org/advisories/RUSTSEC-2026-0089.html
- https://github.com/bytecodealliance/wasmtime/pull/13010
CVE-2026-34946 · published · modified · JSON