CVSS v3
7.5
HIGH
EPSS Score
35.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Rack is a modular Ruby web server interface. Carefully crafted content type headers can cause Rack’s media type parser to take much longer than expected, leading to a possible denial of service vulnerability (ReDos 2nd degree polynomial). This vulnerability is patched in 3.0.9.1 and 2.2.8.1.
Technical details
- Published
- 2024-02-29
Frequently asked questions
What is CVE-2024-25126?
Rack is a modular Ruby web server interface. Carefully crafted content type headers can cause Rack’s media type parser to take much longer than expected, leading to a possible denial of service vulnerability (ReDos 2nd degree polynomial). This vulnerability is patched in 3.0.9.1 and 2.2.8.1.
Is CVE-2024-25126 actively exploited?
Active exploitation of CVE-2024-25126 has not been confirmed. Its EPSS score was 35.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2024-25126?
CVE-2024-25126 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2024-25126 affecting your environment?
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