Bug 2497936 (CVE-2026-60002)

Summary: CVE-2026-60002 openssh: OpenSSH: Use-after-free vulnerability during host key re-exchange on the client side
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: akhatavk, aos-team-art-private, asdas, dpaolell, jdelft, jupierce, kshier, lgarciaa, mbiarnes, ppalepu, ppostler, prdhamdh, rhel-process-autobot, sghai, sidsharm, stcannon, suppawar, teagle, vlaad, watson-tool-maintainers, yguenane
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in OpenSSH. A remote attacker could exploit a use-after-free vulnerability on the client side when a server changes its host key during a key re-exchange. This could lead to high impact on confidentiality and integrity, and low impact on availability.
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: 2497966    
Bug Blocks:    

Description OSIDB Bzimport 2026-07-08 01:01:57 UTC
ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange. (This outcome occurs only on the client side.)

Comment 3 errata-xmlrpc 2026-07-29 10:21:11 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:47757 https://access.redhat.com/errata/RHSA-2026:47757

Comment 4 errata-xmlrpc 2026-07-29 22:25:52 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:47756 https://access.redhat.com/errata/RHSA-2026:47756

Comment 5 errata-xmlrpc 2026-08-18 12:25:45 UTC
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.22

Via RHSA-2026:54769 https://access.redhat.com/errata/RHSA-2026:54769

Comment 6 errata-xmlrpc 2026-09-09 10:35:41 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:65900 https://access.redhat.com/errata/RHSA-2026:65900

Comment 7 errata-xmlrpc 2026-09-10 15:03:10 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:66410 https://access.redhat.com/errata/RHSA-2026:66410

Comment 9 Jon Orris 2026-09-29 11:25:00 UTC
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.20

Via RHSA-2026:71442 https://access.redhat.com/errata/RHSA-2026:71442

Comment 10 Jon Orris 2026-09-29 11:25:17 UTC
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.21

Via RHSA-2026:71444 https://access.redhat.com/errata/RHSA-2026:71444

Comment 11 Jon Orris 2026-09-30 11:09:02 UTC
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.19

Via RHSA-2026:71440 https://access.redhat.com/errata/RHSA-2026:71440

Comment 14 Jon Orris 2026-10-07 01:09:55 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:76993 https://access.redhat.com/errata/RHSA-2026:76993