Resource exhaustion in Rack - CVE-2025-46727

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Main Vulnerability Database Vulnerabilities #VU111989

Resource exhaustion in Rack - CVE-2025-46727

Published: June 27, 2025


Vulnerability identifier: #VU111989
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-46727
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


Affected software

Rack
SUSE Linux Enterprise Server 15 SP5
SUSE Enterprise Server 15 SP3 Business Critical
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Real Time 15
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
Red Hat Enterprise Linux for x86_64
Anolis OS
Ubuntu
Public Cloud Module
Server Applications Module
openSUSE Leap
openEuler
Fedora
IBM Cloud Pak for Watson AIOps
Communications Unified Assurance
Red Hat Satellite
python-sqlparse (Red Hat package)
pcs (Red Hat package)
pcs-snmp
pcs
ruby-rack (Ubuntu package)
cjson (Red Hat package)
ruby2.5-rubygem-rack
ruby2.5-rubygem-rack-doc
ruby2.5-rubygem-rack-testsuite
rubygem-rack
rubygem-rack-help
rubygem-rack (Red Hat package)
rmt-server-debugsource
rmt-server
rmt-server-config
rmt-server-debuginfo
rmt-server-pubcloud
satellite (Red Hat package)
rubygem-foreman_rh_cloud (Red Hat package)

How to mitigate CVE-2025-46727

Install updates from vendor's website.

Rack - addressed in versions 2.2.14, 3.0.16, 3.1.14
IBM Cloud Pak for Watson AIOps - update to 4.10.0
Red Hat Satellite - update to 6.15.5.3
python-sqlparse (Red Hat package) - update to 0.5.0-1.el8pc
pcs (Red Hat package) - addressed in versions 0.9.169-3.el7_9.4, 0.10.8-1.el8_4.7, 0.10.12-6.el8_6.8, 0.10.15-4.el8_8.6, 0.10.18-2.el8_10.5, 0.11.1-10.el9_0.8, 0.11.4-7.el9_2.5, 0.11.7-2.el9_4.4, 0.11.9-2.el9_6.1, 0.12.0-3.el10_0.2
pcs-snmp - update to 0.10.18-2.0.1
pcs - update to 0.10.18-2.0.1
ruby-rack (Ubuntu package) - addressed in versions 1.5.2-3+deb8u3ubuntu1~esm10, 1.6.4-3ubuntu0.2+esm8, 1.6.4-4ubuntu0.2+esm8, 2.0.7-2ubuntu0.1+esm7, 2.1.4-5ubuntu1.1+esm2, 2.2.7-1ubuntu0.3, 2.2.7-1.1ubuntu0.25.04.1
cjson (Red Hat package) - update to 1.7.18-1.el8sat
ruby2.5-rubygem-rack - update to 2.0.8-150000.3.31.1
ruby2.5-rubygem-rack-doc - update to 2.0.8-150000.3.31.1
ruby2.5-rubygem-rack-testsuite - update to 2.0.8-150000.3.31.1
rubygem-rack - addressed in versions 2.2.3.1-8, 2.2.3.1-9, 2.2.4-12
rubygem-rack-help - addressed in versions 2.2.3.1-8, 2.2.3.1-9, 2.2.4-12
rubygem-rack (Red Hat package) - update to 2.2.14-1.el8sat
rubygem-rack - addressed in versions 2.2.21-1.fc41, 2.2.21-9.fc42
rmt-server-debugsource - update to 2.23-150500.3.34.2
rmt-server - update to 2.23-150500.3.34.2
rmt-server-config - update to 2.23-150500.3.34.2
rmt-server-debuginfo - update to 2.23-150500.3.34.2
rmt-server-pubcloud - update to 2.23-150500.3.34.2
satellite (Red Hat package) - update to 6.15.5.3-1.el8sat
rubygem-foreman_rh_cloud (Red Hat package) - update to 9.0.61-1.el8sat

External References

Related Security Bulletins