CVE-2023-22796
A regular expression based DoS vulnerability in Active Support <6.1.7.1 and <7.0.4.1. A specially crafted string passed to the underscore method can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability.
- CVSS 3.1
- 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS
- 1.7% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-25)
- CWEs
- CWE-1333, CWE-400
- Published
- Modified
- Record from
- the NVD, synced
Affected
- activesupport_project:activesupport
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-j6gc-792m-qgm2 | RubyGems | activesupport | <6.1.7.1 | 6.1.7.1 |
| GHSA-j6gc-792m-qgm2 | RubyGems | activesupport | >=7.0.0 <7.0.4.1 | 7.0.4.1 |
References
- https://discuss.rubyonrails.org/t/cve-2023-22796-possible-redos-based-dos-vulnerability-in-active-supports-underscore/82116
- https://security.netapp.com/advisory/ntap-20240202-0009/
- https://www.debian.org/security/2023/dsa-5372
- https://discuss.rubyonrails.org/t/cve-2023-22796-possible-redos-based-dos-vulnerability-in-active-supports-underscore/82116
- https://security.netapp.com/advisory/ntap-20240202-0009/