CVE-2024-26146

Advisory lineage Upstream: 0 Downstream: 26
Analyzed
Published: 28 Feb 2024, 23:28
Last modified:13 Feb 2025, 17:41

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
0.78% LOW
1% probability +0.20%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

28 Feb 2024, 23:28
Published
Vulnerability first disclosed
13 Feb 2025, 17:41
Last Modified
Vulnerability information updated

Description

Rack is a modular Ruby web server interface. Carefully crafted headers can cause header parsing in Rack to take longer than expected resulting in a possible denial of service issue. Accept and Forwarded headers are impacted. Ruby 3.2 has mitigations for this problem, so Rack applications using Ruby 3.2 or newer are unaffected. This vulnerability is fixed in 2.0.9.4, 2.1.4.4, 2.2.8.1, and 3.0.9.1.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.78%• Percentile: 74%

Techniques & Countermeasures

  • CWE-1333•Inefficient Regular Expression Complexity

    The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.

Affected Systems

  • debian•debian_linux

    10.0

  • rack•rack

    ≥ 3.0.0, < 3.0.9.1 | < 2.0.9.4 | ≥ 0.4, < 2.0.9.4 | ≥ 2.1.0, < 2.1.4.4 | ≥ 2.2.0, < 2.2.8.1

References (9)