Vulnerability in Bytecodealliance Wasmtime
CVE-2024-47763
Wasmtime is an open source runtime for WebAssembly. Wasmtime's implementation of WebAssembly tail calls combined with stack traces can result in a runtime crash in certain WebAssembly modules. The runtime crash may be undefined behavior if…
EPSS: 0.000 (0.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Bytecodealliance Wasmtime — versions >= 21.0.0, < 21.0.2, >= 22.0.0, < 22.0.1, >= 23.0.0, < 23.0.3
Weakness classification (CWE)
References
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-q8hx-mm92-4wvg (x_refsource_CONFIRM)
- https://github.com/bytecodealliance/wasmtime/pull/8540 (x_refsource_MISC)
- https://github.com/bytecodealliance/wasmtime/pull/8682 (x_refsource_MISC)
- https://docs.rs/wasmtime/latest/wasmtime/struct.Config.html#method.wasm_tail_call (x_refsource_MISC)
- https://github.com/WebAssembly/proposals (x_refsource_MISC)
- https://github.com/webassembly/tail-call (x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-47763?
- CVE-2024-47763 is a medium-severity vulnerability in Bytecodealliance Wasmtime, classified under Always-Incorrect Control Flow Implementation. CVSS score: 5.5/10. Published 2024-10-09.
- How severe is CVE-2024-47763?
- Medium severity. CVSS v3 base score is 5.5 out of 10.