This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-58494 →
DEBIAN-CVE-2026-58494
Wasmtime is a runtime for WebAssembly. Prior to 24.0.11, 36.0.12, 45.0.3, and 46.0.1, wasmtime-wasi hard-link creation and renaming check directory pe...
Original description
The description as published by the source.
Wasmtime is a runtime for WebAssembly. Prior to 24.0.11, 36.0.12, 45.0.3, and 46.0.1, wasmtime-wasi hard-link creation and renaming check directory permissions but not matching FilePerms on source and destination preopens, allowing a WASI guest with a read-only source file capability to overwrite host files exposed as FilePerms::READ through wasip1, wasip2, or wasip3 filesystem interfaces. This issue is fixed in versions 24.0.11, 36.0.12, 45.0.3, and 46.0.1.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:13
rust-wasmtime
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:14
rust-wasmtime
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"36.0.12+dfsg-1"}]}]
References
- advisory security-tracker.debian.org