Bug 2464953 (CVE-2026-33857) - CVE-2026-33857 httpd: mod_proxy_ajp: off-by-one out-of-bounds reads in AJP getter functions
Summary: CVE-2026-33857 httpd: mod_proxy_ajp: off-by-one out-of-bounds reads in AJP ge...
Keywords:
Status: NEW
Alias: CVE-2026-33857
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: 2469243
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-04 14:01 UTC by OSIDB Bzimport
Modified: 2026-06-22 15:15 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-2026:21391 0 None None None 2026-05-27 17:31:33 UTC
Red Hat Product Errata RHSA-2026:21433 0 None None None 2026-05-27 21:26:12 UTC
Red Hat Product Errata RHSA-2026:22140 0 None None None 2026-06-01 02:26:28 UTC
Red Hat Product Errata RHSA-2026:27200 0 None None None 2026-06-22 15:15:19 UTC
Red Hat Product Errata RHSA-2026:27201 0 None None None 2026-06-22 15:13:25 UTC

Description OSIDB Bzimport 2026-05-04 14:01:34 UTC 
Out-of-bounds Read vulnerability in mod_proxy_ajp of 

Apache HTTP Server.

This issue affects Apache HTTP Server: through 2.4.66.

Users are recommended to upgrade to version 2.4.67, which fixes the issue.
Comment 4 errata-xmlrpc 2026-05-27 17:31:31 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:21391 https://access.redhat.com/errata/RHSA-2026:21391
Comment 5 errata-xmlrpc 2026-05-27 21:26:10 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:21433 https://access.redhat.com/errata/RHSA-2026:21433
Comment 6 errata-xmlrpc 2026-06-01 02:26:27 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:22140 https://access.redhat.com/errata/RHSA-2026:22140
Comment 7 errata-xmlrpc 2026-06-22 15:13:24 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Core Services 2.4.62.SP4

Via RHSA-2026:27201 https://access.redhat.com/errata/RHSA-2026:27201
Comment 8 errata-xmlrpc 2026-06-22 15:15:18 UTC 
This issue has been addressed in the following products:

  JBoss Core Services on RHEL 7
  JBoss Core Services for RHEL 8

Via RHSA-2026:27200 https://access.redhat.com/errata/RHSA-2026:27200
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