Vulnerability in Bytecodealliance Cranelift-codegen
CVE-2023-27477
wasmtime is a fast and secure runtime for WebAssembly. Wasmtime's code generation backend, Cranelift, has a bug on x86_64 platforms for the WebAssembly `i8x16.select` instruction which will produce the wrong results when the same operand i…
EPSS: 0.006 (46.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Bytecodealliance Cranelift-codegen — versions 0.92.0, 0.93.0
- Bytecodealliance Wasmtime — versions 6.0.0, cranelift-codegen: >= 0.92.0, < 0.92.1, wasmtime: >= 5.0.0, < 5.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (Product)
- security-advisories@github.com (Not Applicable)
- security-advisories@github.com (Mailing List, Release Notes, Vendor Advisory)
- security-advisories@github.com (Patch, Mitigation, Vendor Advisory)
- security-advisories@github.com (Patch)
Frequently asked questions
- What is CVE-2023-27477?
- CVE-2023-27477 is a low-severity vulnerability in Bytecodealliance Cranelift-codegen, classified under Off-by-one Error. CVSS score: 3.1/10. Published 2023-03-08.
- How severe is CVE-2023-27477?
- Low severity. CVSS v3 base score is 3.1 out of 10.
- Is CVE-2023-27477 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.