CVE-2026-33176
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
Description
Rails Active Support has a possible DoS vulnerability in its number helpers
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-33176
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2026-33176.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | fixed | 2:7.2.3.1+dfsg-1 |
| debian | sid | fixed | 2:7.2.3.1+dfsg-1 |
| debian | trixie | affected | |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| RubyGems | activesupport | <~> 7.2.3, >= 7.2.3.1 | ~> 7.2.3, >= 7.2.3.1 |
| RubyGems | activesupport | >=8.1.0.beta1,<8.1.2.1 | 8.1.2.1 |
| RubyGems | activesupport | >=8.0.0.beta1,<8.0.4.1 | 8.0.4.1 |
| RubyGems | activesupport | <7.2.3.1 | 7.2.3.1 |
| RUBYGEMS | activesupport | < 7.2.3.1 | 7.2.3.1 |
| RUBYGEMS | activesupport | >= 8.0.0.beta1, < 8.0.4.1 | 8.0.4.1 |
| RUBYGEMS | activesupport | >= 8.1.0.beta1, < 8.1.2.1 | 8.1.2.1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| gcp | | |
References
- https://github.com/rails/rails/security/advisories/GHSA-2j26-frm8-cmj9
- https://www.suse.com/security/cve/CVE-2026-33176.html
- https://nvd.nist.gov/vuln/detail/CVE-2026-33176
- https://github.com/rails/rails/commit/19dbab51ca086a657bb86458042bc44314916bcb
- https://github.com/rails/rails/commit/ebd6be18120d1136511eb516338e27af25ac0a1a
- https://github.com/rails/rails/commit/ee2c59e730e5b8faed502cd2c573109df093f856
- https://github.com/rails/rails
- https://github.com/rails/rails/releases/tag/v7.2.3.1
- https://github.com/rails/rails/releases/tag/v8.0.4.1
- https://github.com/rails/rails/releases/tag/v8.1.2.1
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/activesupport/CVE-2026-33176.yml
- https://security-tracker.debian.org/tracker/CVE-2026-33176
- https://github.com/advisories/GHSA-2j26-frm8-cmj9
Verify integrity in audit chain (admin only). AS-IS.