GHSA-2j26-frm8-cmj9
Rails Active Support has a possible DoS vulnerability in its number helpers
En bref
- Publiée
- Mise à jour
- CVE
- CVE-2026-33176
- CVSS_V4
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U
Description
### Impact Active Support number helpers accept strings containing scientific notation (e.g. `1e10000`), which when converted to a string could be expanded into extremely large decimal representations. This can cause excessive memory allocation and CPU consumption when the expanded number is formatted, possibly resulting in a DoS vulnerability. ### Releases The fixed releases are available at the normal locations. ### Credit This issue was responsibly reported by Hackerone researcher [manun](https://hackerone.com/manun).
Paquets affectés
| Paquet | Versions |
|---|---|
| RubyGems · activesupport | introduced 8.1.0.beta1, fixed 8.1.2.1 |
| RubyGems · activesupport | introduced 8.0.0.beta1, fixed 8.0.4.1 |
| RubyGems · activesupport | introduced 0, fixed 7.2.3.1 |
Références
- https://github.com/rails/rails/security/advisories/GHSA-2j26-frm8-cmj9 WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-33176 ADVISORY
- https://github.com/rails/rails/commit/19dbab51ca086a657bb86458042bc44314916bcb WEB
- https://github.com/rails/rails/commit/ebd6be18120d1136511eb516338e27af25ac0a1a WEB
- https://github.com/rails/rails/commit/ee2c59e730e5b8faed502cd2c573109df093f856 WEB
- https://github.com/rails/rails PACKAGE
- https://github.com/rails/rails/releases/tag/v7.2.3.1 WEB
- https://github.com/rails/rails/releases/tag/v8.0.4.1 WEB
- https://github.com/rails/rails/releases/tag/v8.1.2.1 WEB
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/activesupport/CVE-2026-33176.yml WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |