Bug 2486414 (CVE-2026-34355) - CVE-2026-34355 httpd: Apache HTTP Server: Buffer overflow in mod_proxy_html allows security bypass
Summary: CVE-2026-34355 httpd: Apache HTTP Server: Buffer overflow in mod_proxy_html a...
Keywords:
Status: NEW
Alias: CVE-2026-34355
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: 2490325
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-08 16:02 UTC by OSIDB Bzimport
Modified: 2026-07-01 09:14 UTC (History)
3 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:34109 0 None None None 2026-07-01 09:14:49 UTC

Description OSIDB Bzimport 2026-06-08 16:02:49 UTC 
A buffer overflow in mod_proxy_html in Apache HTTP Server 2.4.67 and earlier allows an attack by an untrusted backend.
Users are recommended to upgrade to version 2.4.68, which fixes this issue.
Comment 2 errata-xmlrpc 2026-07-01 09:14:48 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
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