crates.io/wasmtime CVE-2026-34942: medium 6.5, EPSS 0.42%
Wasmtime: Panic when transcoding misaligned utf-16 strings
Action: Upgrade wasmtime to 24.0.7 or later.
cargo update -p wasmtime --precise 24.0.7cargo 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 | 24.0.7 | - |
| 25.0.0 | 36.0.7 | - |
| 37.0.0 | 42.0.2 | - |
| 43.0.0 | 43.0.1 | - |
Fixed versions
| 24.0.7 | 36.0.7 | 42.0.2 | 43.0.1 |
Sources
- osv: GHSA-jxhv-7h78-9775
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-jxhv-7h78-9775
- https://nvd.nist.gov/vuln/detail/CVE-2026-34942
- https://github.com/bytecodealliance/wasmtime
- https://rustsec.org/advisories/RUSTSEC-2026-0092.html
CVE-2026-34942 · published · modified · JSON