CVE catalog
CVE-2026-115384
UBUNTU-CVE-2026-115384
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
Wasmtime 39.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains a stack buffer overflow vulnerability that allows malicious guests to write ~16KB to the native stack via unvalidated async callback result types. Attackers can supply components with mistyped component-model-async callback functions to overwrite return addresses, crashing the host or escaping the sandbox.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | rust-wasmtime | 24.04 | 10.0.1+dfsg-7 | vulnerable |
| Ubuntu | rust-wasmtime | 24.04 | 15.0.1+dfsg-4 | vulnerable |
| Ubuntu | rust-wasmtime | 24.04 | 16.0.0+dfsg-2 | vulnerable |
| Ubuntu | rust-wasmtime | 24.04 | 16.0.0+dfsg-3 | vulnerable |
| Ubuntu | rust-wasmtime | 26.10 | 36.0.5+dfsg-1 | vulnerable |
| Ubuntu | rust-wasmtime | 26.10 | 36.0.13+dfsg-1 | vulnerable |
| Ubuntu | rust-wasmtime | 26.04 | 26.0.1+dfsg-3 | vulnerable |
| Ubuntu | rust-wasmtime | 26.04 | 26.0.1+dfsg-4 | vulnerable |
| Ubuntu | rust-wasmtime | 26.04 | 28.0.1+dfsg-3 | vulnerable |
| Ubuntu | rust-wasmtime | 26.04 | 29.0.1+dfsg-5 | vulnerable |
| Ubuntu | rust-wasmtime | 26.04 | 36.0.5+dfsg-1 | vulnerable |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed: