Out-of-bounds Read in Bytecodealliance Cranelift-codegen
CVE-2023-26489
wasmtime is a fast and secure runtime for WebAssembly. In affected versions wasmtime's code generator, Cranelift, has a bug on x86_64 targets where address-mode computation mistakenly would calculate a 35-bit effective address instead of W…
Vulnerability class: Buffer Overflow
EPSS: 0.013 (66.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
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 (x_refsource_CONFIRM, Patch, Mitigation, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
- security-advisories@github.com (Mailing List, x_refsource_MISC, Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-26489?
- CVE-2023-26489 is a critical-severity vulnerability in Bytecodealliance Cranelift-codegen, classified under Out-of-bounds Read. CVSS score: 9.9/10. Published 2023-03-08.
- How severe is CVE-2023-26489?
- Critical severity. CVSS v3 base score is 9.9 out of 10.
- Is CVE-2023-26489 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.