| id: GO-2021-0069 |
| modules: |
| - module: std |
| versions: |
| - introduced: 1.14.0-0 |
| - fixed: 1.14.12 |
| - introduced: 1.15.0-0 |
| - fixed: 1.15.5 |
| vulnerable_at: 1.15.4 |
| packages: |
| - package: math/big |
| symbols: |
| - nat.divRecursiveStep |
| skip_fix: 'TODO: revisit this reason (fix appears to not work with Go <1.18)' |
| summary: Panic during division of very large numbers in math/big |
| description: |- |
| A number of math/big.Int methods can panic when provided large inputs due to a |
| flawed division method. |
| published: 2021-04-14T20:04:52Z |
| cves: |
| - CVE-2020-28362 |
| references: |
| - fix: https://go.dev/cl/269657 |
| - fix: https://go.googlesource.com/go/+/1e1fa5903b760c6714ba17e50bf850b01f49135c |
| - report: https://go.dev/issue/42552 |
| - web: https://groups.google.com/g/golang-announce/c/NpBGTTmKzpM/m/fLguyiM2CAAJ |
| review_status: REVIEWED |
