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HIGH

CVE-2024-25126

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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