Bug 2484204 (CVE-2026-42504) - CVE-2026-42504 mime: golang: Golang MIME: Denial of Service via maliciously-crafted MIME header
Summary: CVE-2026-42504 mime: golang: Golang MIME: Denial of Service via maliciously-c...
Keywords:
Status: NEW
Alias: CVE-2026-42504
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:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-02 23:01 UTC by OSIDB Bzimport
Modified: 2026-10-06 20:36 UTC (History)
185 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-2026:48151 0 None None None 2026-07-29 19:54:49 UTC
Red Hat Product Errata RHSA-2026:57361 0 None None None 2026-08-25 10:29:46 UTC
Red Hat Product Errata RHSA-2026:57456 0 None None None 2026-08-25 10:39:43 UTC
Red Hat Product Errata RHSA-2026:57482 0 None None None 2026-08-26 15:16:31 UTC
Red Hat Product Errata RHSA-2026:60018 0 None None None 2026-09-03 09:05:45 UTC
Red Hat Product Errata RHSA-2026:62631 0 None None None 2026-09-02 14:07:00 UTC
Red Hat Product Errata RHSA-2026:63091 0 None None None 2026-09-08 15:04:56 UTC
Red Hat Product Errata RHSA-2026:63119 0 None None None 2026-09-03 23:43:23 UTC
Red Hat Product Errata RHSA-2026:63124 0 None None None 2026-09-03 23:34:46 UTC
Red Hat Product Errata RHSA-2026:65116 0 None None None 2026-09-08 08:02:30 UTC
Red Hat Product Errata RHSA-2026:65117 0 None None None 2026-09-08 10:06:08 UTC
Red Hat Product Errata RHSA-2026:65153 0 None None None 2026-09-08 11:46:52 UTC
Red Hat Product Errata RHSA-2026:65534 0 None None None 2026-09-08 17:06:04 UTC
Red Hat Product Errata RHSA-2026:65886 0 None None None 2026-09-09 10:40:08 UTC
Red Hat Product Errata RHSA-2026:65895 0 None None None 2026-09-09 10:49:59 UTC
Red Hat Product Errata RHSA-2026:66327 0 None None None 2026-09-10 05:34:00 UTC
Red Hat Product Errata RHSA-2026:66350 0 None None None 2026-09-15 09:23:47 UTC
Red Hat Product Errata RHSA-2026:66375 0 None None None 2026-09-15 09:25:56 UTC
Red Hat Product Errata RHSA-2026:67148 0 None None None 2026-09-14 13:32:27 UTC
Red Hat Product Errata RHSA-2026:67159 0 None None None 2026-09-14 13:40:04 UTC
Red Hat Product Errata RHSA-2026:67160 0 None None None 2026-09-14 13:32:55 UTC
Red Hat Product Errata RHSA-2026:67934 0 None None None 2026-09-24 10:56:14 UTC
Red Hat Product Errata RHSA-2026:67974 0 None None None 2026-09-16 12:21:32 UTC
Red Hat Product Errata RHSA-2026:67975 0 None None None 2026-09-16 12:35:52 UTC
Red Hat Product Errata RHSA-2026:68334 0 None None None 2026-09-16 17:21:00 UTC
Red Hat Product Errata RHSA-2026:68504 0 None None None 2026-09-17 04:33:54 UTC
Red Hat Product Errata RHSA-2026:68527 0 None None None 2026-09-17 06:32:28 UTC
Red Hat Product Errata RHSA-2026:68534 0 None None None 2026-09-23 13:19:41 UTC
Red Hat Product Errata RHSA-2026:69235 0 None None None 2026-09-21 06:31:13 UTC
Red Hat Product Errata RHSA-2026:69308 0 None None None 2026-09-21 15:51:53 UTC
Red Hat Product Errata RHSA-2026:70614 0 None None None 2026-10-01 22:38:55 UTC
Red Hat Product Errata RHSA-2026:70645 0 None None None 2026-10-01 17:07:43 UTC
Red Hat Product Errata RHSA-2026:71113 0 None None None 2026-09-23 20:49:21 UTC
Red Hat Product Errata RHSA-2026:71114 0 None None None 2026-09-23 21:06:05 UTC
Red Hat Product Errata RHSA-2026:71443 0 None None None 2026-09-29 11:25:23 UTC
Red Hat Product Errata RHSA-2026:72276 0 None None None 2026-09-28 02:00:58 UTC
Red Hat Product Errata RHSA-2026:72737 0 None None None 2026-09-28 17:36:56 UTC
Red Hat Product Errata RHSA-2026:72805 0 None None None 2026-09-28 18:36:14 UTC
Red Hat Product Errata RHSA-2026:74504 0 None None None 2026-10-01 22:11:51 UTC
Red Hat Product Errata RHSA-2026:74505 0 None None None 2026-10-01 22:14:25 UTC
Red Hat Product Errata RHSA-2026:74506 0 None None None 2026-10-01 22:32:00 UTC
Red Hat Product Errata RHSA-2026:74796 0 None None None 2026-10-06 18:03:09 UTC
Red Hat Product Errata RHSA-2026:76795 0 None None None 2026-10-06 15:29:56 UTC
Red Hat Product Errata RHSA-2026:76809 0 None None None 2026-10-06 15:08:40 UTC

Description OSIDB Bzimport 2026-06-02 23:01:23 UTC 
Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.
Comment 3 errata-xmlrpc 2026-07-29 19:54:40 UTC 
This issue has been addressed in the following products:

  Cryostat 4 on RHEL 9

Via RHSA-2026:48151 https://access.redhat.com/errata/RHSA-2026:48151
Comment 5 errata-xmlrpc 2026-08-25 10:29:37 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.22

Via RHSA-2026:57361 https://access.redhat.com/errata/RHSA-2026:57361
Comment 6 errata-xmlrpc 2026-08-25 10:39:33 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.21

Via RHSA-2026:57456 https://access.redhat.com/errata/RHSA-2026:57456
Comment 7 errata-xmlrpc 2026-08-26 15:16:21 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.18

Via RHSA-2026:57482 https://access.redhat.com/errata/RHSA-2026:57482
Comment 8 errata-xmlrpc 2026-09-02 14:06:49 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:62631 https://access.redhat.com/errata/RHSA-2026:62631
Comment 9 errata-xmlrpc 2026-09-03 09:05:36 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.17

Via RHSA-2026:60018 https://access.redhat.com/errata/RHSA-2026:60018
Comment 10 errata-xmlrpc 2026-09-03 23:34:36 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:63124 https://access.redhat.com/errata/RHSA-2026:63124
Comment 11 errata-xmlrpc 2026-09-03 23:43:12 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:63119 https://access.redhat.com/errata/RHSA-2026:63119
Comment 12 errata-xmlrpc 2026-09-08 08:02:19 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:65116 https://access.redhat.com/errata/RHSA-2026:65116
Comment 13 errata-xmlrpc 2026-09-08 10:05:57 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:65117 https://access.redhat.com/errata/RHSA-2026:65117
Comment 14 errata-xmlrpc 2026-09-08 11:46:41 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:65153 https://access.redhat.com/errata/RHSA-2026:65153
Comment 15 errata-xmlrpc 2026-09-08 15:04:45 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.22

Via RHSA-2026:63091 https://access.redhat.com/errata/RHSA-2026:63091
Comment 16 errata-xmlrpc 2026-09-08 17:05:52 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:65534 https://access.redhat.com/errata/RHSA-2026:65534
Comment 17 errata-xmlrpc 2026-09-09 10:39:57 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:65886 https://access.redhat.com/errata/RHSA-2026:65886
Comment 18 errata-xmlrpc 2026-09-09 10:49:48 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:65895 https://access.redhat.com/errata/RHSA-2026:65895
Comment 19 errata-xmlrpc 2026-09-10 05:33:51 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:66327 https://access.redhat.com/errata/RHSA-2026:66327
Comment 21 Jon Orris 2026-09-14 13:32:17 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:67148 https://access.redhat.com/errata/RHSA-2026:67148
Comment 22 Jon Orris 2026-09-14 13:32:45 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:67160 https://access.redhat.com/errata/RHSA-2026:67160
Comment 23 Jon Orris 2026-09-14 13:39:52 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:67159 https://access.redhat.com/errata/RHSA-2026:67159
Comment 24 Jon Orris 2026-09-15 09:23:36 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.21

Via RHSA-2026:66350 https://access.redhat.com/errata/RHSA-2026:66350
Comment 25 Jon Orris 2026-09-15 09:25:47 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.20

Via RHSA-2026:66375 https://access.redhat.com/errata/RHSA-2026:66375
Comment 26 Jon Orris 2026-09-16 12:21:21 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:67974 https://access.redhat.com/errata/RHSA-2026:67974
Comment 27 Jon Orris 2026-09-16 12:35:40 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:67975 https://access.redhat.com/errata/RHSA-2026:67975
Comment 28 Jon Orris 2026-09-16 17:20:51 UTC 
This issue has been addressed in the following products:

  RHEM 1.1 for RHEL 10
  RHEM 1.1 for RHEL 9

Via RHSA-2026:68334 https://access.redhat.com/errata/RHSA-2026:68334
Comment 29 Jon Orris 2026-09-17 04:33:42 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-2026:68504 https://access.redhat.com/errata/RHSA-2026:68504
Comment 30 Jon Orris 2026-09-17 06:32:17 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:68527 https://access.redhat.com/errata/RHSA-2026:68527
Comment 31 Jon Orris 2026-09-21 06:31:02 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-2026:69235 https://access.redhat.com/errata/RHSA-2026:69235
Comment 32 Jon Orris 2026-09-21 15:51:41 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:69308 https://access.redhat.com/errata/RHSA-2026:69308
Comment 33 Jon Orris 2026-09-23 13:19:29 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.19

Via RHSA-2026:68534 https://access.redhat.com/errata/RHSA-2026:68534
Comment 34 Jon Orris 2026-09-23 20:49:10 UTC 
This issue has been addressed in the following products:

  Red Hat Ansible Automation Platform 2.6 for RHEL 10
  Red Hat Ansible Automation Platform 2.6 for RHEL 9

Via RHSA-2026:71113 https://access.redhat.com/errata/RHSA-2026:71113
Comment 35 Jon Orris 2026-09-23 21:05:53 UTC 
This issue has been addressed in the following products:

  Red Hat Ansible Automation Platform 2.5 for RHEL 9
  Red Hat Ansible Automation Platform 2.5 for RHEL 8

Via RHSA-2026:71114 https://access.redhat.com/errata/RHSA-2026:71114
Comment 36 Jon Orris 2026-09-24 10:56:03 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.16

Via RHSA-2026:67934 https://access.redhat.com/errata/RHSA-2026:67934
Comment 37 Jon Orris 2026-09-28 02:00:47 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:72276 https://access.redhat.com/errata/RHSA-2026:72276
Comment 38 Jon Orris 2026-09-28 17:36:44 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-2026:72737 https://access.redhat.com/errata/RHSA-2026:72737
Comment 39 Jon Orris 2026-09-28 18:36:02 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-2026:72805 https://access.redhat.com/errata/RHSA-2026:72805
Comment 40 Jon Orris 2026-09-29 11:25:14 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.21

Via RHSA-2026:71443 https://access.redhat.com/errata/RHSA-2026:71443
Comment 41 Jon Orris 2026-10-01 17:07:31 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.12

Via RHSA-2026:70645 https://access.redhat.com/errata/RHSA-2026:70645
Comment 42 Jon Orris 2026-10-01 22:11:39 UTC 
This issue has been addressed in the following products:

  Red Hat Satellite 6.18 for RHEL 9

Via RHSA-2026:74504 https://access.redhat.com/errata/RHSA-2026:74504
Comment 43 Jon Orris 2026-10-01 22:14:14 UTC 
This issue has been addressed in the following products:

  Red Hat Satellite 6.17 for RHEL 9

Via RHSA-2026:74505 https://access.redhat.com/errata/RHSA-2026:74505
Comment 44 Jon Orris 2026-10-01 22:31:49 UTC 
This issue has been addressed in the following products:

  Red Hat Satellite 6.16 for RHEL 8
  Red Hat Satellite 6.16 for RHEL 9

Via RHSA-2026:74506 https://access.redhat.com/errata/RHSA-2026:74506
Comment 45 Jon Orris 2026-10-01 22:38:46 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.18

Via RHSA-2026:70614 https://access.redhat.com/errata/RHSA-2026:70614
Comment 46 Jon Orris 2026-10-06 15:08:28 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:76809 https://access.redhat.com/errata/RHSA-2026:76809
Comment 47 Jon Orris 2026-10-06 15:29:45 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:76795 https://access.redhat.com/errata/RHSA-2026:76795
Comment 48 Jon Orris 2026-10-06 18:02:59 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.21

Via RHSA-2026:74796 https://access.redhat.com/errata/RHSA-2026:74796
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