CVE-2023-27539
January 09, 2025
There is a denial of service vulnerability in the header parsing component of Rack. Carefully crafted input can cause header parsing in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. Any applications that parse headers using Rack (virtually all Rails applications) are impacted. The issue is fixed versions 2.2.6.4 and 3.0.6.1
Affected Packages
rack (RUBY):
Affected version(s) >=3.0.0 <3.0.6.1Fix Suggestion:
Update to version 3.0.6.1rack (RUBY):
Affected version(s) >=2.0.0 <2.2.6.4Fix Suggestion:
Update to version 2.2.6.4Related Resources (12)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
EPSS
Base Score:
0.29
