Medium
5.9
Wasmtime 47.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains an improper validation...
CVE-2026-115383
First seen on SecPulse
Affected packages
| Ecosystem | Package | Affected | Fixed |
|---|---|---|---|
| bytecodealliance | wasmtime |
≥ 47.0.0, < 48.0.4 ≥ 49.0.0, < 49.0.2 |
48.0.4 49.0.2 |
Original description The description as published by the source.
Wasmtime 47.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains an improper validation vulnerability that accepts components whose core modules import WebAssembly tags with a subtype of the original type. Malicious guests can mis-type exception object payloads to corrupt the GC heap, causing Wasmtime to panic when the exceptions proposal is enabled.
Source: CVE.org (CVE Program・cvelistV5) NVD GitHub Advisory
References
- web github.com
- web vulncheck.com
- web nvd.nist.gov
- web github.com