CVE-2026-27204
2 advisories.
crates.io/wasmtime CVE-2026-27204: medium
Wasmtime WASI implementations are vulnerable to guest-controlled resource exhaustion
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-852m-cvvp-9p4w
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-852m-cvvp-9p4w
- https://nvd.nist.gov/vuln/detail/CVE-2026-27204
- https://github.com/bytecodealliance/wasmtime/issues/11552
- https://github.com/bytecodealliance/wasmtime/pull/12599
- https://docs.rs/wasmtime-wasi/latest/wasmtime_wasi/struct.WasiCtxBuilder.html#method.max_random_size
- https://docs.rs/wasmtime/latest/wasmtime/component/struct.ResourceTable.html#method.set_max_capacity
- https://docs.rs/wasmtime/latest/wasmtime/struct.Store.html#method.set_hostcall_fuel
- https://docs.wasmtime.dev/security-what-is-considered-a-security-vulnerability.html
- https://github.com/bytecodealliance/wasmtime
- https://rustsec.org/advisories/RUSTSEC-2026-0020.html
CVE-2026-27204 · published · modified · JSON
crates.io/wasmtime CVE-2026-27204: unknown
Guest-controlled resource exhaustion in WASI implementations
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 40.0.4cargo update -p wasmtime --precise 41.0.4Affected
| introduced | fixed | last affected |
|---|---|---|
| 0.0.0-0 | 24.0.6 | - |
| 25.0.0 | 36.0.6 | - |
| 37.0.0 | 40.0.4 | - |
| 41.0.0 | 41.0.4 | - |
Fixed versions
| 24.0.6 | 36.0.6 | 40.0.4 | 41.0.4 |
Sources
- osv: RUSTSEC-2026-0020
- https://crates.io/crates/wasmtime
- https://rustsec.org/advisories/RUSTSEC-2026-0020.html
- https://github.com/bytecodealliance/wasmtime/issues/11552
CVE-2026-27204 · published · modified · JSON