Bug 2374578 (CVE-2025-49630)

Summary: CVE-2025-49630 httpd: mod_proxy_http2: untrusted input from a client causes an assertion to fail in the Apache mod_proxy_http2 module
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: csutherl, jclere, pjindal, plodge, security-response-team, szappis, vchlup
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
An assertion failure flaw was found in Apache httpd. Untrusted clients can send inputs that trigger an assertion failure in the mod_proxy_http2 module, which likely results in an Apache HTTP server crash or denial of service (DoS).
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2382576, 2382577, 2384234, 2384235    
Bug Blocks:    

Description OSIDB Bzimport 2025-06-24 13:41:28 UTC
In certain proxy configurations, a denial of service attack against Apache HTTP Server versions 2.4.26 through to 2.4.63 can be triggered by untrusted clients causing an assertion in mod_proxy_http2. Configurations affected are a reverse proxy is
configured for an HTTP/2 backend, with ProxyPreserveHost set to \"on\"

Comment 5 errata-xmlrpc 2025-08-14 13:41:45 UTC
This issue has been addressed in the following products:

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

Via RHSA-2025:13680 https://access.redhat.com/errata/RHSA-2025:13680

Comment 6 errata-xmlrpc 2025-08-14 13:51:21 UTC
This issue has been addressed in the following products:

  Red Hat JBoss Core Services 2.4.62.SP1

Via RHSA-2025:13681 https://access.redhat.com/errata/RHSA-2025:13681

Comment 7 errata-xmlrpc 2025-08-26 13:22:48 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2025:14625 https://access.redhat.com/errata/RHSA-2025:14625

Comment 8 errata-xmlrpc 2025-09-02 01:53:10 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:14983 https://access.redhat.com/errata/RHSA-2025:14983

Comment 9 errata-xmlrpc 2025-09-03 13:16:51 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2025:15123 https://access.redhat.com/errata/RHSA-2025:15123

Comment 10 errata-xmlrpc 2025-09-08 19:02:44 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Advanced Update Support

Via RHSA-2025:15516 https://access.redhat.com/errata/RHSA-2025:15516

Comment 11 errata-xmlrpc 2025-09-10 12:34:39 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions

Via RHSA-2025:15619 https://access.redhat.com/errata/RHSA-2025:15619

Comment 12 errata-xmlrpc 2025-09-11 10:33:49 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On

Via RHSA-2025:15684 https://access.redhat.com/errata/RHSA-2025:15684

Comment 13 errata-xmlrpc 2025-09-11 14:34:42 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.6 Telecommunications Update Service

Via RHSA-2025:15698 https://access.redhat.com/errata/RHSA-2025:15698

Comment 14 errata-xmlrpc 2025-09-15 01:23:11 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2025:15725 https://access.redhat.com/errata/RHSA-2025:15725

Comment 15 errata-xmlrpc 2025-09-15 01:24:00 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2025:15726 https://access.redhat.com/errata/RHSA-2025:15726

Comment 16 errata-xmlrpc 2025-09-15 01:25:47 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2025:15727 https://access.redhat.com/errata/RHSA-2025:15727