Bug 2486395 (CVE-2026-34356) - CVE-2026-34356 httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers
Summary: CVE-2026-34356 httpd: Apache HTTP Server: Heap-based Buffer Overflow via mali...
Keywords:
Status: NEW
Alias: CVE-2026-34356
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2490333
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-08 16:01 UTC by OSIDB Bzimport
Modified: 2026-07-28 08:59 UTC (History)
3 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-2026:34109 0 None None None 2026-07-01 09:14:43 UTC
Red Hat Product Errata RHSA-2026:41906 0 None None None 2026-07-20 06:28:26 UTC
Red Hat Product Errata RHSA-2026:42828 0 None None None 2026-07-21 15:40:58 UTC
Red Hat Product Errata RHSA-2026:47046 0 None None None 2026-07-28 08:59:43 UTC

Description OSIDB Bzimport 2026-06-08 16:01:55 UTC 
Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie*

This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.

Users are recommended to upgrade to version 2.4.68, which fixes the issue.
Comment 3 errata-xmlrpc 2026-07-01 09:14:41 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:34109 https://access.redhat.com/errata/RHSA-2026:34109
Comment 5 errata-xmlrpc 2026-07-20 06:28:25 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:41906 https://access.redhat.com/errata/RHSA-2026:41906
Comment 6 errata-xmlrpc 2026-07-21 15:40:57 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:42828 https://access.redhat.com/errata/RHSA-2026:42828
Comment 7 errata-xmlrpc 2026-07-28 08:59:41 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:47046 https://access.redhat.com/errata/RHSA-2026:47046
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