Upstream information

CVE-2021-22902 at MITRE


The actionpack ruby gem (a framework for handling and responding to web requests in Rails) before, suffers from a possible denial of service vulnerability in the Mime type parser of Action Dispatch. Carefully crafted Accept headers can cause the mime type parser in Action Dispatch to do catastrophic backtracking in the regular expression engine.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 5
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 7.5 6.5
Access Vector Network Network
Access Complexity Low Low
Privileges Required None Low
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1185771 [NEW]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • ruby2.7-rubygem-actionpack-6.0 >= 6.0.4-1.2
  • ruby3.0-rubygem-actionpack-6.0 >= 6.0.4-1.2
openSUSE Tumbleweed GA ruby2.7-rubygem-actionpack-6.0-6.0.4-1.2

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SUSE_SLES_SAP (11) rubygem-actionpack-3_2 Not affected
sle-11-WebYaST (1.3) rubygem-actionpack-3_2 Not affected
sle-ha (15) rubygem-actionpack-5_1 Not affected
suse-openstack-cloud (7) rubygem-actionpack-4_2 Not affected
suse-openstack-cloud-crowbar (8) rubygem-actionpack-4_2 Not affected
suse-openstack-cloud-crowbar (9) rubygem-actionpack-4_2 Not affected