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: 2026-09-17 06:32 UTC (History)
182 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-2026:67974 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

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
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