Vulnerability in Rails
CVE-2024-26142
Rails is a web-application framework. Starting in version 7.1.0, there is a possible ReDoS vulnerability in the Accept header parsing routines of Action Dispatch. This vulnerability is patched in 7.1.3.1. Ruby 3.2 has mitigations for this…
Vulnerability class: ReDoS (Regular Expression Denial of Service)
EPSS: 0.015 (71.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Rails — versions >= 7.1.0, < 7.1.3.1
- Ruby-lang Ruby
- Rubyonrails Rails
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Vendor Advisory)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Third Party Advisory)
Frequently asked questions
- What is CVE-2024-26142?
- CVE-2024-26142 is a high-severity vulnerability in Rails, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2024-02-27.
- How severe is CVE-2024-26142?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2024-26142 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.