crates.io/wasmtime CVE-2026-104855: low, EPSS 0.28%
Wasmtime: Preemption and traps during bulk operations enable breaking internal VM state
Action: Upgrade wasmtime to 46.0.2 or later.
cargo update -p wasmtime --precise 46.0.2cargo update -p wasmtime --precise 47.0.3Affected
| introduced | fixed | last affected |
|---|---|---|
| 46.0.0 | 46.0.2 | - |
| 47.0.0 | 47.0.3 | - |
Fixed versions
| 46.0.2 | 47.0.3 |
Sources
- osv: GHSA-2hw9-mc66-jc2q
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-2hw9-mc66-jc2q
- https://nvd.nist.gov/vuln/detail/CVE-2026-104855
- https://github.com/bytecodealliance/wasmtime/pull/14041
- https://github.com/bytecodealliance/wasmtime/pull/14043
- https://github.com/bytecodealliance/wasmtime/pull/14045
- https://github.com/bytecodealliance/wasmtime/commit/3ebfbe5af4927c157d6fcaca42b8dbb6d17b73fb
- https://github.com/bytecodealliance/wasmtime/commit/99b0bc39d447317a4102c056081c83a9a84a46e0
- https://github.com/bytecodealliance/wasmtime/commit/a3eb27af01ba5a30320a90ea1405059cdfedd353
- https://github.com/bytecodealliance/wasmtime
- https://github.com/bytecodealliance/wasmtime/releases/tag/v46.0.2
- https://github.com/bytecodealliance/wasmtime/releases/tag/v47.0.3
- https://rustsec.org/advisories/RUSTSEC-2026-0223.html
CVE-2026-104855 · published · modified · JSON