crates.io/wasmtime CVE-2026-27572: high 7.5, EPSS 0.52%
Wasmtime can panic when adding excessive fields to a `wasi:http/types.fields` instance
Action: Upgrade wasmtime to 24.0.6 or later.
cargo update -p wasmtime --precise 24.0.6cargo update -p wasmtime --precise 36.0.6cargo update -p wasmtime --precise 40.0.4Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 24.0.6 | - |
| 25.0.0 | 36.0.6 | - |
| 37.0.0 | 40.0.4 | - |
Fixed versions
| 24.0.6 | 36.0.6 | 40.0.4 |
Sources
- osv: GHSA-243v-98vx-264h
- nvd: CVE-2026-27572
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-243v-98vx-264h
- https://github.com/bytecodealliance/wasmtime/commit/301dc7162cca51def19131019af1187f45901c0a
- https://docs.rs/http/1.4.0/http/header/#limitations
- https://github.com/bytecodealliance/wasmtime
- https://github.com/bytecodealliance/wasmtime/releases/tag/v24.0.6
- https://github.com/bytecodealliance/wasmtime/releases/tag/v36.0.6
- https://github.com/bytecodealliance/wasmtime/releases/tag/v40.0.4
- https://github.com/bytecodealliance/wasmtime/releases/tag/v41.0.4
- https://rustsec.org/advisories/RUSTSEC-2026-0021.html
CVE-2026-27572 · published · modified · JSON