
CVE catalog
CVE-2026-115393
UBUNTU-CVE-2026-115393
- Severity
- Unknown · CVSS 3.8
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.09% · Oct 25, 2026
Wasmtime before 24.0.12, 25.0.0 before 36.0.13, 37.0.0 before 46.0.2, and 47.0.0 before 47.0.3 contains a type confusion vulnerability because several Store APIs fail to validate that objects belong to the Store's Engine. Embedders mixing objects between Engines via Instance::new, StructRefPre::new, or Tag::new can trigger trampoline signature mismatches causing out-of-bounds stack writes, GC heap corruption, or panics.
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 |
|---|---|---|---|---|
| Debian | rust-wasmtime | 13 | 26.0.1+dfsg-10 | vulnerable |
| Debian | rust-wasmtime | 13 | 26.0.1+dfsg-3 | vulnerable |
| Debian | rust-wasmtime | 13 | 26.0.1+dfsg-4 | vulnerable |
| Debian | rust-wasmtime | 13 | 26.0.1+dfsg-5 | vulnerable |
| Debian | rust-wasmtime | 13 | 26.0.1+dfsg-6 | vulnerable |
| Debian | rust-wasmtime | 13 | 26.0.1+dfsg-7 | vulnerable |
| Debian | rust-wasmtime | 13 | 26.0.1+dfsg-8 | vulnerable |
| Debian | rust-wasmtime | 13 | 26.0.1+dfsg-9 | vulnerable |
| Debian | rust-wasmtime | 13 | 27.0.0+dfsg-2 | vulnerable |
| Debian | rust-wasmtime | 13 | 27.0.0+dfsg-3 | vulnerable |
| Debian | rust-wasmtime | 13 | 27.0.0+dfsg-4 | vulnerable |
| Debian | rust-wasmtime | 13 | 28.0.1+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 13 | 28.0.1+dfsg-2 | vulnerable |
| Debian | rust-wasmtime | 13 | 28.0.1+dfsg-3 | vulnerable |
| Debian | rust-wasmtime | 13 | 29.0.1+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 13 | 29.0.1+dfsg-2 | vulnerable |
| Debian | rust-wasmtime | 13 | 29.0.1+dfsg-3 | vulnerable |
| Debian | rust-wasmtime | 13 | 29.0.1+dfsg-4 | vulnerable |
| Debian | rust-wasmtime | 13 | 29.0.1+dfsg-5 | vulnerable |
| Debian | rust-wasmtime | 13 | 29.0.1+dfsg-6 | vulnerable |
| Debian | rust-wasmtime | 13 | 29.0.1+dfsg-7 | vulnerable |
| Debian | rust-wasmtime | 13 | 29.0.1+dfsg-8 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.11+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.12+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.12+dfsg-2 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.12+dfsg-3 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.13+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.5+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.5+dfsg-2 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.5+dfsg-3 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.5+dfsg-4 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.5+dfsg-5 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.6+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.6+dfsg-2 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.6+dfsg-3 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.6+dfsg-4 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.6+dfsg-5 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.6+dfsg-6 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.6+dfsg-7 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.7+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.8+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.9+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 13 | 36.0.9+dfsg-2 | vulnerable |
| Debian | rust-wasmtime | 14 | 26.0.1+dfsg-10 | vulnerable |
| Debian | rust-wasmtime | 14 | 26.0.1+dfsg-3 | vulnerable |
| Debian | rust-wasmtime | 14 | 26.0.1+dfsg-4 | vulnerable |
| Debian | rust-wasmtime | 14 | 26.0.1+dfsg-5 | vulnerable |
| Debian | rust-wasmtime | 14 | 26.0.1+dfsg-6 | vulnerable |
| Debian | rust-wasmtime | 14 | 26.0.1+dfsg-7 | vulnerable |
| Debian | rust-wasmtime | 14 | 26.0.1+dfsg-8 | vulnerable |
| Debian | rust-wasmtime | 14 | 26.0.1+dfsg-9 | vulnerable |
| Debian | rust-wasmtime | 14 | 27.0.0+dfsg-2 | vulnerable |
| Debian | rust-wasmtime | 14 | 27.0.0+dfsg-3 | vulnerable |
| Debian | rust-wasmtime | 14 | 27.0.0+dfsg-4 | vulnerable |
| Debian | rust-wasmtime | 14 | 28.0.1+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 14 | 28.0.1+dfsg-2 | vulnerable |
| Debian | rust-wasmtime | 14 | 28.0.1+dfsg-3 | vulnerable |
| Debian | rust-wasmtime | 14 | 29.0.1+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 14 | 29.0.1+dfsg-2 | vulnerable |
| Debian | rust-wasmtime | 14 | 29.0.1+dfsg-3 | vulnerable |
| Debian | rust-wasmtime | 14 | 29.0.1+dfsg-4 | vulnerable |
| Debian | rust-wasmtime | 14 | 29.0.1+dfsg-5 | vulnerable |
| Debian | rust-wasmtime | 14 | 29.0.1+dfsg-6 | vulnerable |
| Debian | rust-wasmtime | 14 | 29.0.1+dfsg-7 | vulnerable |
| Debian | rust-wasmtime | 14 | 29.0.1+dfsg-8 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.11+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.12+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.12+dfsg-2 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.12+dfsg-3 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.5+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.5+dfsg-2 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.5+dfsg-3 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.5+dfsg-4 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.5+dfsg-5 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.6+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.6+dfsg-2 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.6+dfsg-3 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.6+dfsg-4 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.6+dfsg-5 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.6+dfsg-6 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.6+dfsg-7 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.7+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.8+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.9+dfsg-1 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.9+dfsg-2 | vulnerable |
| Debian | rust-wasmtime | 14 | 36.0.13+dfsg-1 | fixed |
| 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
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | rust-wasmtime | deb | 14 | 36.0.13+dfsg-1 | Not reported | DEBIAN-CVE-2026-115393 | Not reported |
OpenFactory catalog packages
[Debian 13 (Trixie)]
- [librust-cranelift-dev]Affected
Source package: [rust-wasmtime]
Details (2)
0.113.1+26.0.1+dfsg-3· all · trixieAffected
pypi · rust-wasmtime · debian · 13
0.113.1+26.0.1+dfsg-3· all · trixieAffected
pypi · rust-wasmtime · debian · 13
Observed: