Bug 2465293 (CVE-2026-33006)

Summary: CVE-2026-33006 httpd: mod_auth_digest: timing attack allows a bypass of digest authentication
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: csutherl, jclere, pjindal, plodge, rhel-process-autobot, szappis, valet-crappie0k, vchlup, watson-tool-maintainers
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in the mod_auth_digest module of httpd. A remote unauthenticated attacker can bypass digest authentication by measuring timing discrepancies of requests. This issue leads to unauthorized access to resources protected by digest authentication.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2476561    
Bug Blocks:    

Description OSIDB Bzimport 2026-05-04 15:01:32 UTC
A timing attack against mod_auth_digest in Apache HTTP Server 2.4.66 allows a bypass of Digest authentication by a remote attacker.

Users are recommended to upgrade to version 2.4.67, which fixes this issue.

Comment 4 errata-xmlrpc 2026-07-20 06:28:21 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 5 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 6 Jon Orris 2026-09-29 13:02:45 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