Bug 2465297 (CVE-2026-33523) - CVE-2026-33523 httpd: HTTP response splitting forwarding malicious status line
Summary: CVE-2026-33523 httpd: HTTP response splitting forwarding malicious status line
Keywords:
Status: NEW
Alias: CVE-2026-33523
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: 2476563
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-04 15:01 UTC by OSIDB Bzimport
Modified: 2026-09-29 13:02 UTC (History)
9 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-2026:73076 0 None None None 2026-09-29 13:02:49 UTC
Red Hat Product Errata RHSA-2026:73077 0 None None None 2026-09-29 13:02:33 UTC

Description OSIDB Bzimport 2026-05-04 15:01:44 UTC 
HTTP response splitting vulnerability in multiple Apache HTTP Server modules with untrusted or compromised backend servers.

This issue affects Apache HTTP Server: from through 2.4.66.

Users are recommended to upgrade to version 2.4.67, which fixes the issue.
Comment 4 Jon Orris 2026-09-29 13:02:32 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Core Services 2.4.62.SP6

Via RHSA-2026:73077 https://access.redhat.com/errata/RHSA-2026:73077
Comment 5 Jon Orris 2026-09-29 13:02:48 UTC 
This issue has been addressed in the following products:

  JBoss Core Services for RHEL 8

Via RHSA-2026:73076 https://access.redhat.com/errata/RHSA-2026:73076
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