Bug 2468498 (CVE-2026-42258) - CVE-2026-42258 ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol Arguments
Summary: CVE-2026-42258 ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Sym...
Keywords:
Status: NEW
Alias: CVE-2026-42258
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2487319
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-09 20:01 UTC by OSIDB Bzimport
Modified: 2026-07-09 17:34 UTC (History)
15 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:33462 0 None None None 2026-06-30 10:49:30 UTC
Red Hat Product Errata RHSA-2026:33512 0 None None None 2026-06-30 15:35:57 UTC
Red Hat Product Errata RHSA-2026:33514 0 None None None 2026-06-30 15:26:36 UTC
Red Hat Product Errata RHSA-2026:33515 0 None None None 2026-06-30 16:11:25 UTC
Red Hat Product Errata RHSA-2026:33540 0 None None None 2026-06-30 15:28:37 UTC
Red Hat Product Errata RHSA-2026:33565 0 None None None 2026-06-30 16:05:46 UTC
Red Hat Product Errata RHSA-2026:33576 0 None None None 2026-06-30 17:12:38 UTC
Red Hat Product Errata RHSA-2026:33577 0 None None None 2026-06-30 18:13:38 UTC
Red Hat Product Errata RHSA-2026:33630 0 None None None 2026-06-30 17:07:47 UTC
Red Hat Product Errata RHSA-2026:34076 0 None None None 2026-07-01 08:17:07 UTC
Red Hat Product Errata RHSA-2026:35834 0 None None None 2026-07-06 03:42:13 UTC
Red Hat Product Errata RHSA-2026:35866 0 None None None 2026-07-06 06:35:29 UTC
Red Hat Product Errata RHSA-2026:35867 0 None None None 2026-07-06 06:38:54 UTC
Red Hat Product Errata RHSA-2026:35895 0 None None None 2026-07-06 13:57:59 UTC
Red Hat Product Errata RHSA-2026:36099 0 None None None 2026-07-07 06:47:57 UTC
Red Hat Product Errata RHSA-2026:37238 0 None None None 2026-07-09 11:19:46 UTC
Red Hat Product Errata RHSA-2026:37397 0 None None None 2026-07-09 17:34:17 UTC

Description OSIDB Bzimport 2026-05-09 20:01:24 UTC 
Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, symbol arguments to commands are vulnerable to a CRLF Injection / IMAP Command injection via Symbol arguments passed to IMAP commands. This issue has been patched in versions 0.4.24, 0.5.14, and 0.6.4.
Comment 3 errata-xmlrpc 2026-06-30 10:49:28 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:33462 https://access.redhat.com/errata/RHSA-2026:33462
Comment 4 errata-xmlrpc 2026-06-30 15:26:34 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:33514 https://access.redhat.com/errata/RHSA-2026:33514
Comment 5 errata-xmlrpc 2026-06-30 15:28:35 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:33540 https://access.redhat.com/errata/RHSA-2026:33540
Comment 6 errata-xmlrpc 2026-06-30 15:35:55 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:33512 https://access.redhat.com/errata/RHSA-2026:33512
Comment 7 errata-xmlrpc 2026-06-30 16:05:44 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:33565 https://access.redhat.com/errata/RHSA-2026:33565
Comment 8 errata-xmlrpc 2026-06-30 16:11:23 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:33515 https://access.redhat.com/errata/RHSA-2026:33515
Comment 9 errata-xmlrpc 2026-06-30 17:07:45 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:33630 https://access.redhat.com/errata/RHSA-2026:33630
Comment 10 errata-xmlrpc 2026-06-30 17:12:36 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:33576 https://access.redhat.com/errata/RHSA-2026:33576
Comment 11 errata-xmlrpc 2026-06-30 18:13:31 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:33577 https://access.redhat.com/errata/RHSA-2026:33577
Comment 12 errata-xmlrpc 2026-07-01 08:17:06 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.8 Telecommunications Update Service

Via RHSA-2026:34076 https://access.redhat.com/errata/RHSA-2026:34076
Comment 13 errata-xmlrpc 2026-07-06 03:42:11 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:35834 https://access.redhat.com/errata/RHSA-2026:35834
Comment 14 errata-xmlrpc 2026-07-06 06:35:27 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On

Via RHSA-2026:35866 https://access.redhat.com/errata/RHSA-2026:35866
Comment 15 errata-xmlrpc 2026-07-06 06:38:52 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On

Via RHSA-2026:35867 https://access.redhat.com/errata/RHSA-2026:35867
Comment 16 errata-xmlrpc 2026-07-06 13:57:58 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:35895 https://access.redhat.com/errata/RHSA-2026:35895
Comment 17 errata-xmlrpc 2026-07-07 06:47:55 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:36099 https://access.redhat.com/errata/RHSA-2026:36099
Comment 18 errata-xmlrpc 2026-07-09 11:19:44 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:37238 https://access.redhat.com/errata/RHSA-2026:37238
Comment 19 errata-xmlrpc 2026-07-09 17:34:15 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2026:37397 https://access.redhat.com/errata/RHSA-2026:37397
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