Description
wasmtime is a runtime for WebAssembly. The 19.0.0 release of Wasmtime contains a regression introduced during its development which can lead to a guest WebAssembly module causing a panic in the host runtime. A valid WebAssembly module, when executed at runtime, may cause this panic. This vulnerability has been patched in version 19.0.1.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| bytecodealliance | wasmtime | = 19.0.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | rust-wasmtime | 21.0.2+dfsg-1 | — |
| Debian 13 | rust-wasmtime | 21.0.2+dfsg-1 | — |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | zed | 0.146.3-r0 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| crates.io | wasmtime | >= 19.0.0, < 19.0.1 | 19.0.1 | GHSA-75hq-h6g9-h4q5 |
| PyPI | wasmtime | <= 19.0.0 | — | PYSEC-2024-327 |
References
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-75hq-h6g9-h4q5
- https://github.com/bytecodealliance/wasmtime/issues/8281
- https://github.com/bytecodealliance/wasmtime/pull/8018
- https://github.com/bytecodealliance/wasmtime/pull/8283
- https://github.com/bytecodealliance/wasmtime/commit/7f57d0bb0948fa56cc950278d0db230ed10e8664