CVE-2026-115385
CVE-2026-115385 · Wasmtime 46.0.0 before 48.0.4 and 49.0.0 before 49.0.2 Host Panic via WASIp3 Timestamps
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Wasmtime 46.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains a denial of service vulnerability in the wasmtime-wasi WASIp3 implementation that allows guests to abort the Unix host process. Guests with mutable preopened directory access can call set-times or set-times-at with negative seconds timestamps before the epoch, triggering an assertion failure that crashes the host.
CVSS 6.9 · Medium · EPSS 0.1% · Fix available
- Published
- Updated
Affected products and versions
wasmtime
- Versions
- ≥ 46.0.0, < 48.0.4: Affected (semver)
- 48.0.4: Not affected (semver)
- ≥ 49.0.0, < 49.0.2: Affected (semver)
- 49.0.2: Not affected (semver)
Update to 48.0.4; Update to 49.0.2