CVE-2023-27530

A DoS vulnerability exists in Rack <v3.0.4.2, <v2.2.6.3, <v2.1.4.3 and <v2.0.9.3 within in the Multipart MIME parsing code in which could allow an attacker to craft requests that can be abuse to cause multipart parsing to take longer than expected.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://discuss.rubyonrails.org/t/cve-2023-27530-possible-dos-vulnerability-in-multipart-mime-parsing/82388	Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/04/msg00017.html	Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20231208-0015/
https://www.debian.org/security/2023/dsa-5530	Third Party Advisory
https://discuss.rubyonrails.org/t/cve-2023-27530-possible-dos-vulnerability-in-multipart-mime-parsing/82388	Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/04/msg00017.html	Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20231208-0015/
https://www.debian.org/security/2023/dsa-5530	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:rack:rack::::::ruby::*
	cpe:2.3:a:rack:rack::::::ruby::*
	cpe:2.3:a:rack:rack::::::ruby::*
	cpe:2.3:a:rack:rack::::::ruby::*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:10.0:::::::*
	cpe:2.3:o:debian:debian_linux:11.0:::::::*

History

24 Oct 2026, 13:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad de DoS existe en Rack anterior a v3.0.4.2, anterior a v2.2.6.3, anterior a v2.1.4.3 y anterior a v2.0.9.3 dentro del código de análisis de MIME multiparte, en el que podría permitir a un atacante crear solicitudes que pueden ser abusadas para hacer que el análisis multiparte tarde más de lo esperado.

Information

Published : 2023-03-10 22:15

Updated : 2026-10-24 13:10

NVD link : CVE-2023-27530

Mitre link : CVE-2023-27530

CVE.ORG link : CVE-2023-27530

JSON object : View

Products Affected

debian

debian_linux

rack

rack

CWE

CWE-400

Uncontrolled Resource Consumption

CWE-770

Allocation of Resources Without Limits or Throttling

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