CVE catalog
CVE-2026-115386
UBUNTU-CVE-2026-115386
- Severity
- Unknown · CVSS 3.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.20% · Oct 25, 2026
Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 contains an information disclosure vulnerability in the WASIp1 fd_readdir implementation that copies uninitialized struct padding into guest memory. Guests with a preopened directory can list entries to receive three bytes of leftover host stack or heap memory per directory entry.
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 | 36.0.13+dfsg-1 | 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 |
| 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
[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: