# CVE-2021-45293: binaryen: A Denial of Service vulnerability exists in Binaryen 103 due to an Invalid memory address dereference in wasm::WasmBi...

CVE-2021-45293 is fixed in binaryen on 1 platform, first by DEBIAN-CVE-2021-45293, released December 21, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-45293
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0080
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 21, 2021

## Description

A Denial of Service vulnerability exists in Binaryen 103 due to an Invalid memory address dereference in wasm::WasmBinaryBuilder::visitLet.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | binaryen Debian 12.15 (bookworm) | 104-1 | [DEBIAN-CVE-2021-45293](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45293.md) | Dec 21, 2021 |
| Linux | binaryen Debian 13.5 (trixie) | 104-1 | [DEBIAN-CVE-2021-45293](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45293.md) | Dec 21, 2021 |
| Linux | binaryen Debian 14 | 104-1 | [DEBIAN-CVE-2021-45293](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45293.md) | Dec 21, 2021 |

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