| packages: |
| - module: std |
| package: math/big |
| symbols: |
| - Float.GobDecode |
| - Rat.GobDecode |
| versions: |
| - fixed: 1.17.13 |
| - introduced: 1.18.0 |
| fixed: 1.18.5 |
| vulnerable_at: 1.18.4 |
| description: | |
| Decoding big.Float and big.Rat types can panic if the encoded message is |
| too short, potentially allowing a denial of service. |
| credit: '@catenacyber' |
| links: |
| pr: https://go.dev/cl/417774 |
| commit: https://go.googlesource.com/go/+/055113ef364337607e3e72ed7d48df67fde6fc66 |
| context: |
| - https://go.dev/issue/53871 |
| - https://groups.google.com/g/golang-announce/c/YqYYG87xB10 |
| cve_metadata: |
| id: CVE-2022-32189 |
| cwe: 'CWE 400: Uncontrolled Resource Consumption' |
| description: | |
| A too-short encoded message can cause a panic in Float.GobDecode and Rat |
| GobDecode in math/big in Go before 1.17.13 and 1.18.5, potentially |
| allowing a denial of service. |
