Bug 2467820 (CVE-2026-39820) - CVE-2026-39820 net/mail: golang: Go net/mail: Denial of Service via crafted email inputs
Summary: CVE-2026-39820 net/mail: golang: Go net/mail: Denial of Service via crafted e...
Keywords:
Status: NEW
Alias: CVE-2026-39820
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-07 20:01 UTC by OSIDB Bzimport
Modified: 2026-10-22 17:15 UTC (History)
156 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-2026:22112 0 None None None 2026-06-01 01:04:33 UTC
Red Hat Product Errata RHSA-2026:22120 0 None None None 2026-06-01 00:44:01 UTC
Red Hat Product Errata RHSA-2026:22121 0 None None None 2026-06-01 01:00:44 UTC
Red Hat Product Errata RHSA-2026:49702 0 None None None 2026-08-03 15:59:22 UTC
Red Hat Product Errata RHSA-2026:49712 0 None None None 2026-08-03 17:33:54 UTC
Red Hat Product Errata RHSA-2026:54552 0 None None None 2026-08-19 15:34:56 UTC
Red Hat Product Errata RHSA-2026:54883 0 None None None 2026-08-19 13:42:21 UTC
Red Hat Product Errata RHSA-2026:56852 0 None None None 2026-08-26 15:18:05 UTC
Red Hat Product Errata RHSA-2026:57401 0 None None None 2026-08-26 15:27:16 UTC
Red Hat Product Errata RHSA-2026:57482 0 None None None 2026-08-26 15:16:12 UTC
Red Hat Product Errata RHSA-2026:57649 0 None None None 2026-08-20 18:48:21 UTC
Red Hat Product Errata RHSA-2026:57845 0 None None None 2026-08-26 00:21:05 UTC
Red Hat Product Errata RHSA-2026:57914 0 None None None 2026-08-26 10:47:56 UTC
Red Hat Product Errata RHSA-2026:59830 0 None None None 2026-09-03 12:17:09 UTC
Red Hat Product Errata RHSA-2026:60018 0 None None None 2026-09-03 09:05:43 UTC
Red Hat Product Errata RHSA-2026:61253 0 None None None 2026-08-31 04:07:29 UTC
Red Hat Product Errata RHSA-2026:62406 0 None None None 2026-09-02 07:10:09 UTC
Red Hat Product Errata RHSA-2026:62407 0 None None None 2026-09-02 06:46:14 UTC
Red Hat Product Errata RHSA-2026:62753 0 None None None 2026-09-02 16:55:51 UTC
Red Hat Product Errata RHSA-2026:62754 0 None None None 2026-09-02 16:39:26 UTC
Red Hat Product Errata RHSA-2026:62803 0 None None None 2026-09-02 19:13:33 UTC
Red Hat Product Errata RHSA-2026:63022 0 None None None 2026-09-03 05:31:24 UTC
Red Hat Product Errata RHSA-2026:65116 0 None None None 2026-09-08 08:02:14 UTC
Red Hat Product Errata RHSA-2026:65117 0 None None None 2026-09-08 10:06:05 UTC
Red Hat Product Errata RHSA-2026:65153 0 None None None 2026-09-08 11:45:56 UTC
Red Hat Product Errata RHSA-2026:65335 0 None None None 2026-09-08 10:44:38 UTC
Red Hat Product Errata RHSA-2026:65336 0 None None None 2026-09-08 11:15:14 UTC
Red Hat Product Errata RHSA-2026:65534 0 None None None 2026-09-08 17:06:16 UTC
Red Hat Product Errata RHSA-2026:65838 0 None None None 2026-09-17 06:43:22 UTC
Red Hat Product Errata RHSA-2026:65886 0 None None None 2026-09-09 10:39:45 UTC
Red Hat Product Errata RHSA-2026:65895 0 None None None 2026-09-09 10:49:41 UTC
Red Hat Product Errata RHSA-2026:66016 0 None None None 2026-09-09 15:02:34 UTC
Red Hat Product Errata RHSA-2026:66327 0 None None None 2026-09-10 05:34:01 UTC
Red Hat Product Errata RHSA-2026:67517 0 None None None 2026-09-15 09:24:21 UTC
Red Hat Product Errata RHSA-2026:67974 0 None None None 2026-09-16 12:21:29 UTC
Red Hat Product Errata RHSA-2026:67975 0 None None None 2026-09-16 12:35:47 UTC
Red Hat Product Errata RHSA-2026:68334 0 None None None 2026-09-16 17:20:25 UTC
Red Hat Product Errata RHSA-2026:68504 0 None None None 2026-09-17 04:34:12 UTC
Red Hat Product Errata RHSA-2026:68527 0 None None None 2026-09-17 06:32:25 UTC
Red Hat Product Errata RHSA-2026:68534 0 None None None 2026-09-23 13:19:21 UTC
Red Hat Product Errata RHSA-2026:76795 0 None None None 2026-10-06 15:29:13 UTC
Red Hat Product Errata RHSA-2026:76809 0 None None None 2026-10-06 15:08:13 UTC
Red Hat Product Errata RHSA-2026:82810 0 None None None 2026-10-22 16:37:25 UTC
Red Hat Product Errata RHSA-2026:87245 0 None None None 2026-10-21 19:36:01 UTC
Red Hat Product Errata RHSA-2026:87246 0 None None None 2026-10-21 18:33:13 UTC
Red Hat Product Errata RHSA-2026:88339 0 None None None 2026-10-22 16:35:15 UTC
Red Hat Product Errata RHSA-2026:88340 0 None None None 2026-10-22 17:15:13 UTC

Description OSIDB Bzimport 2026-05-07 20:01:51 UTC
Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU exhaustion and memory allocations.

Comment 2 errata-xmlrpc 2026-06-01 00:43:55 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:22120 https://access.redhat.com/errata/RHSA-2026:22120

Comment 3 errata-xmlrpc 2026-06-01 01:00:38 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:22121 https://access.redhat.com/errata/RHSA-2026:22121

Comment 4 errata-xmlrpc 2026-06-01 01:04:26 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:22112 https://access.redhat.com/errata/RHSA-2026:22112

Comment 5 errata-xmlrpc 2026-08-03 15:59:15 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:49702 https://access.redhat.com/errata/RHSA-2026:49702

Comment 6 errata-xmlrpc 2026-08-03 17:33:47 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:49712 https://access.redhat.com/errata/RHSA-2026:49712

Comment 8 errata-xmlrpc 2026-08-19 13:42:13 UTC
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.19

Via RHSA-2026:54883 https://access.redhat.com/errata/RHSA-2026:54883

Comment 9 errata-xmlrpc 2026-08-19 15:34:48 UTC
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.19

Via RHSA-2026:54552 https://access.redhat.com/errata/RHSA-2026:54552

Comment 10 errata-xmlrpc 2026-08-20 18:48:14 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:57649 https://access.redhat.com/errata/RHSA-2026:57649

Comment 11 errata-xmlrpc 2026-08-26 00:20:59 UTC
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.16

Via RHSA-2026:57845 https://access.redhat.com/errata/RHSA-2026:57845

Comment 12 errata-xmlrpc 2026-08-26 10:47:48 UTC
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.18

Via RHSA-2026:57914 https://access.redhat.com/errata/RHSA-2026:57914

Comment 13 errata-xmlrpc 2026-08-26 15:16:05 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 14 errata-xmlrpc 2026-08-26 15:17:58 UTC
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.16

Via RHSA-2026:56852 https://access.redhat.com/errata/RHSA-2026:56852

Comment 15 errata-xmlrpc 2026-08-26 15:27:09 UTC
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.19

Via RHSA-2026:57401 https://access.redhat.com/errata/RHSA-2026:57401

Comment 16 errata-xmlrpc 2026-08-31 04:07:21 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:61253 https://access.redhat.com/errata/RHSA-2026:61253

Comment 17 errata-xmlrpc 2026-09-02 06:46:05 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:62407 https://access.redhat.com/errata/RHSA-2026:62407

Comment 18 errata-xmlrpc 2026-09-02 07:10:02 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:62406 https://access.redhat.com/errata/RHSA-2026:62406

Comment 19 errata-xmlrpc 2026-09-02 16:39:19 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:62754 https://access.redhat.com/errata/RHSA-2026:62754

Comment 20 errata-xmlrpc 2026-09-02 16:55:43 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:62753 https://access.redhat.com/errata/RHSA-2026:62753

Comment 21 errata-xmlrpc 2026-09-02 19:13:25 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:62803 https://access.redhat.com/errata/RHSA-2026:62803

Comment 22 errata-xmlrpc 2026-09-03 05:31:16 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:63022 https://access.redhat.com/errata/RHSA-2026:63022

Comment 23 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 24 errata-xmlrpc 2026-09-03 12:17:02 UTC
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.12

Via RHSA-2026:59830 https://access.redhat.com/errata/RHSA-2026:59830

Comment 25 errata-xmlrpc 2026-09-08 08:02:06 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 26 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 27 errata-xmlrpc 2026-09-08 10:44:31 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:65335 https://access.redhat.com/errata/RHSA-2026:65335

Comment 28 errata-xmlrpc 2026-09-08 11:15:07 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:65336 https://access.redhat.com/errata/RHSA-2026:65336

Comment 29 errata-xmlrpc 2026-09-08 11:45:48 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 30 errata-xmlrpc 2026-09-08 17:06:09 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 31 errata-xmlrpc 2026-09-09 10:39:38 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 32 errata-xmlrpc 2026-09-09 10:49:32 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 33 errata-xmlrpc 2026-09-09 15:02:26 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:66016 https://access.redhat.com/errata/RHSA-2026:66016

Comment 34 errata-xmlrpc 2026-09-10 05:33:52 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 35 Jon Orris 2026-09-15 09:24:13 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:67517 https://access.redhat.com/errata/RHSA-2026:67517

Comment 36 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 37 Jon Orris 2026-09-16 12:35:39 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 38 Jon Orris 2026-09-16 17:20:16 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 39 Jon Orris 2026-09-17 04:34:03 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 40 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 41 Jon Orris 2026-09-17 06:43:14 UTC
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.13

Via RHSA-2026:65838 https://access.redhat.com/errata/RHSA-2026:65838

Comment 42 Jon Orris 2026-09-23 13:19:13 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 43 Jon Orris 2026-10-06 15:08:05 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 44 Jon Orris 2026-10-06 15:29:04 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 47 Jon Orris 2026-10-21 18:33:06 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-2026:87246 https://access.redhat.com/errata/RHSA-2026:87246

Comment 48 Jon Orris 2026-10-21 19:35:52 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-2026:87245 https://access.redhat.com/errata/RHSA-2026:87245

Comment 49 Jon Orris 2026-10-22 16:35:07 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-2026:88339 https://access.redhat.com/errata/RHSA-2026:88339

Comment 50 Jon Orris 2026-10-22 16:37:16 UTC
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.15

Via RHSA-2026:82810 https://access.redhat.com/errata/RHSA-2026:82810

Comment 51 Jon Orris 2026-10-22 17:15:04 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-2026:88340 https://access.redhat.com/errata/RHSA-2026:88340


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