Bug 2476513 (CVE-2026-41293) - CVE-2026-41293 tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated
Summary: CVE-2026-41293 tomcat-coyote: Apache Tomcat: HTTP/2 request headers not valid...
Keywords:
Status: NEW
Alias: CVE-2026-41293
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-12 16:01 UTC by OSIDB Bzimport
Modified: 2026-09-21 10:42 UTC (History)
10 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-2026:39188 0 None None None 2026-07-14 16:11:41 UTC
Red Hat Product Errata RHSA-2026:39189 0 None None None 2026-07-14 16:08:46 UTC
Red Hat Product Errata RHSA-2026:43401 0 None None None 2026-07-22 12:23:35 UTC
Red Hat Product Errata RHSA-2026:43402 0 None None None 2026-07-22 12:22:53 UTC
Red Hat Product Errata RHSA-2026:67163 0 None None None 2026-09-14 13:35:13 UTC
Red Hat Product Errata RHSA-2026:67164 0 None None None 2026-09-14 13:35:00 UTC
Red Hat Product Errata RHSA-2026:68651 0 None None None 2026-09-18 09:04:42 UTC
Red Hat Product Errata RHSA-2026:68659 0 None None None 2026-09-17 14:21:18 UTC
Red Hat Product Errata RHSA-2026:68660 0 None None None 2026-09-17 14:40:12 UTC
Red Hat Product Errata RHSA-2026:68677 0 None None None 2026-09-17 15:02:58 UTC
Red Hat Product Errata RHSA-2026:68678 0 None None None 2026-09-17 14:32:56 UTC
Red Hat Product Errata RHSA-2026:68679 0 None None None 2026-09-17 14:36:14 UTC
Red Hat Product Errata RHSA-2026:68680 0 None None None 2026-09-17 14:39:03 UTC
Red Hat Product Errata RHSA-2026:69259 0 None None None 2026-09-21 10:42:14 UTC

Description OSIDB Bzimport 2026-05-12 16:01:53 UTC 
Improper Input Validation vulnerability in Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 10.0.0-M1 through 10.0.27.
Older, end of support versions may also be affected.

Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.
Comment 2 errata-xmlrpc 2026-07-14 16:08:45 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Web Server 7.0.0

Via RHSA-2026:39189 https://access.redhat.com/errata/RHSA-2026:39189
Comment 3 errata-xmlrpc 2026-07-14 16:11:40 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Web Server 7.0 on RHEL 10
  Red Hat JBoss Web Server 7.0 on RHEL 8
  Red Hat JBoss Web Server 7.0 on RHEL 9

Via RHSA-2026:39188 https://access.redhat.com/errata/RHSA-2026:39188
Comment 4 errata-xmlrpc 2026-07-22 12:22:51 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Web Server 6.2.4

Via RHSA-2026:43402 https://access.redhat.com/errata/RHSA-2026:43402
Comment 5 errata-xmlrpc 2026-07-22 12:23:34 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Web Server 6.2 on RHEL 10
  Red Hat JBoss Web Server 6.2 on RHEL 8
  Red Hat JBoss Web Server 6.2 on RHEL 9

Via RHSA-2026:43401 https://access.redhat.com/errata/RHSA-2026:43401
Comment 6 Jon Orris 2026-09-14 13:34:59 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:67164 https://access.redhat.com/errata/RHSA-2026:67164
Comment 7 Jon Orris 2026-09-14 13:35:11 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:67163 https://access.redhat.com/errata/RHSA-2026:67163
Comment 8 Jon Orris 2026-09-17 14:21:17 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:68659 https://access.redhat.com/errata/RHSA-2026:68659
Comment 9 Jon Orris 2026-09-17 14:32:55 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:68678 https://access.redhat.com/errata/RHSA-2026:68678
Comment 10 Jon Orris 2026-09-17 14:36:12 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:68679 https://access.redhat.com/errata/RHSA-2026:68679
Comment 11 Jon Orris 2026-09-17 14:39:02 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-2026:68680 https://access.redhat.com/errata/RHSA-2026:68680
Comment 12 Jon Orris 2026-09-17 14:40:11 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:68660 https://access.redhat.com/errata/RHSA-2026:68660
Comment 13 Jon Orris 2026-09-17 15:02:56 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:68677 https://access.redhat.com/errata/RHSA-2026:68677
Comment 14 Jon Orris 2026-09-18 09:04:40 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:68651 https://access.redhat.com/errata/RHSA-2026:68651
Comment 15 Jon Orris 2026-09-21 10:42:13 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:69259 https://access.redhat.com/errata/RHSA-2026:69259
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