# cranelift-codegen (crates.io) vulnerabilities

Source: https://junglewise.ai/threats/technologies/cranelift-codegen  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/cranelift-codegen.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 6 vulnerabilities in cranelift-codegen (crates.io): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2023-27477, was published on 3 March 2023.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 6 (0 critical, 0 exploited in the wild)

## About cranelift-codegen (crates.io)

Rust compiler backend for code generation and optimization.

## Latest cranelift-codegen (crates.io) vulnerabilities

- [CVE-2023-27477: RUSTSEC-2023-0093 - Miscompilation of `i8x16.select` with the same inputs on x86\_64](https://junglewise.ai/threats/cve-2023-27477-wasmtime-vulnerable-to-miscompilation-of-i8x16-select-with-the) (low, CVSS 3.1, published 3 Mar 2023)
- [CVE-2023-26489: RUSTSEC-2023-0090 - Guest-controlled out-of-bounds read/write on x86\_64](https://junglewise.ai/threats/cve-2023-26489-wasmtime-vulnerable-to-guest-controlled-out-of-bounds-read-write) (low, CVSS 3.1, published 2 Mar 2023)
- [CVE-2022-31146: RUSTSEC-2022-0100 - Use After Free with `externref`s in Wasmtime](https://junglewise.ai/threats/cve-2022-31146-wasmtime-vulnerable-to-use-after-free-with-externref-s) (low, CVSS 3.1, published 12 Jul 2022)
- [CVE-2022-23636: RUSTSEC-2022-0101 - Miscompilation of constant values in division on AArch64](https://junglewise.ai/threats/cve-2022-23636-cranelift-vulnerable-to-miscompilation-of-constant-values-in) (low, CVSS 3.1, published 5 Jul 2022)
- [CVE-2022-31104: RUSTSEC-2022-0095 - Miscompilation of `i8x16.swizzle` and `select` with v128 inputs](https://junglewise.ai/threats/cve-2022-31104-miscompilation-of-i8x16-swizzle-and-select-with-v128-inputs) (low, CVSS 3.1, published 27 Jun 2022)
- [CVE-2021-32629: RUSTSEC-2021-0067 - Memory access due to code generation flaw in Cranelift module](https://junglewise.ai/threats/cve-2021-32629-memory-access-due-to-code-generation-flaw-in-cranelift-module) (low, CVSS 3.1, published 21 May 2021)

## Most severe cranelift-codegen (crates.io) vulnerabilities

- [CVE-2022-31104: RUSTSEC-2022-0095 - Miscompilation of `i8x16.swizzle` and `select` with v128 inputs](https://junglewise.ai/threats/cve-2022-31104-miscompilation-of-i8x16-swizzle-and-select-with-v128-inputs) (low, CVSS 3.1, published 27 Jun 2022)
- [CVE-2023-26489: RUSTSEC-2023-0090 - Guest-controlled out-of-bounds read/write on x86\_64](https://junglewise.ai/threats/cve-2023-26489-wasmtime-vulnerable-to-guest-controlled-out-of-bounds-read-write) (low, CVSS 3.1, published 2 Mar 2023)
- [CVE-2022-31146: RUSTSEC-2022-0100 - Use After Free with `externref`s in Wasmtime](https://junglewise.ai/threats/cve-2022-31146-wasmtime-vulnerable-to-use-after-free-with-externref-s) (low, CVSS 3.1, published 12 Jul 2022)
- [CVE-2022-23636: RUSTSEC-2022-0101 - Miscompilation of constant values in division on AArch64](https://junglewise.ai/threats/cve-2022-23636-cranelift-vulnerable-to-miscompilation-of-constant-values-in) (low, CVSS 3.1, published 5 Jul 2022)
- [CVE-2023-27477: RUSTSEC-2023-0093 - Miscompilation of `i8x16.select` with the same inputs on x86\_64](https://junglewise.ai/threats/cve-2023-27477-wasmtime-vulnerable-to-miscompilation-of-i8x16-select-with-the) (low, CVSS 3.1, published 3 Mar 2023)
- [CVE-2021-32629: RUSTSEC-2021-0067 - Memory access due to code generation flaw in Cranelift module](https://junglewise.ai/threats/cve-2021-32629-memory-access-due-to-code-generation-flaw-in-cranelift-module) (low, CVSS 3.1, published 21 May 2021)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other crates.io technologies

- [surrealdb (crates.io)](https://junglewise.ai/threats/technologies/surrealdb): 83 vulnerabilities
- [wasmtime (crates.io)](https://junglewise.ai/threats/technologies/wasmtime): 67 vulnerabilities
- [deno (crates.io)](https://junglewise.ai/threats/technologies/deno): 39 vulnerabilities
- [zebrad (crates.io)](https://junglewise.ai/threats/technologies/zebrad): 27 vulnerabilities
- [russh (crates.io)](https://junglewise.ai/threats/technologies/crates-io-russh): 26 vulnerabilities
- [openssl-src (crates.io)](https://junglewise.ai/threats/technologies/openssl-src): 26 vulnerabilities
- [openssl (crates.io)](https://junglewise.ai/threats/technologies/crates-io-openssl): 25 vulnerabilities
- [rustfs (crates.io)](https://junglewise.ai/threats/technologies/rustfs): 25 vulnerabilities
- [coreutils (crates.io)](https://junglewise.ai/threats/technologies/crates-io-coreutils): 21 vulnerabilities
- [ckb (crates.io)](https://junglewise.ai/threats/technologies/ckb): 19 vulnerabilities
- [apollo-router (crates.io)](https://junglewise.ai/threats/technologies/apollo-router): 13 vulnerabilities
- [deepseek-tui (crates.io)](https://junglewise.ai/threats/technologies/deepseek-tui): 13 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "cranelift-codegen (crates.io) vulnerabilities", https://junglewise.ai/threats/technologies/cranelift-codegen, 9 November 2026.