CVE-2023-27539

MEDIUM

Rack < 2.2.6.4 - Denial of Service

Title source: rule

There is a denial of service vulnerability in the header parsing component of Rack.

Core 7

Core References

Vendor Advisory

Patch, Third Party Advisory

Patch

Patch

Mailing List, Third Party Advisory

Third Party Advisory

Mailing List, Third Party Advisory

CVSS v3 5.3

EPSS 0.0036

EPSS Percentile 58.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Status published

Products (4)

debian/debian_linux 10.0

debian/debian_linux 11.0

rack/rack 2.0.0 - 2.2.6.4

rubygems/rack 2.0.0 - 2.2.6.4RubyGems

Published Jan 09, 2025

Tracked Since Feb 18, 2026