Bug 2508414 (CVE-2026-55995) - CVE-2026-55995 open-isns: open-iscsi: Denial of Service via double-free in iSNS attribute decoder
Summary: CVE-2026-55995 open-isns: open-iscsi: Denial of Service via double-free in iS...
Keywords:
Status: NEW
Alias: CVE-2026-55995
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2508456
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-07-29 14:02 UTC by OSIDB Bzimport
Modified: 2026-10-01 13:48 UTC (History)
2 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-2026:53846 0 None None None 2026-08-11 19:26:13 UTC
Red Hat Product Errata RHSA-2026:53847 0 None None None 2026-08-11 19:38:02 UTC
Red Hat Product Errata RHSA-2026:53848 0 None None None 2026-08-11 20:10:26 UTC
Red Hat Product Errata RHSA-2026:59996 0 None None None 2026-08-26 08:18:40 UTC
Red Hat Product Errata RHSA-2026:59999 0 None None None 2026-08-26 08:03:27 UTC
Red Hat Product Errata RHSA-2026:60005 0 None None None 2026-08-26 08:22:46 UTC
Red Hat Product Errata RHSA-2026:60006 0 None None None 2026-08-26 08:32:29 UTC
Red Hat Product Errata RHSA-2026:60333 0 None None None 2026-08-26 14:14:29 UTC
Red Hat Product Errata RHSA-2026:60385 0 None None None 2026-08-26 19:57:33 UTC
Red Hat Product Errata RHSA-2026:61249 0 None None None 2026-08-31 02:38:27 UTC

Description OSIDB Bzimport 2026-07-29 14:02:04 UTC 
A Double Free vulnerability in open-iscsi allows an unauthenticated MITM attacker to cause DoS.






This issue affects open-iscsi: from ? through 56718d4e9d1a4f51c30697b5c0534144bb41c9bb.
Comment 2 Mauro Matteo Cascella 2026-08-10 20:04:45 UTC 
Upstream fix:
https://github.com/open-iscsi/open-isns/commit/56718d4e9d1a4f51c30697b5c0534144bb41c9bb
Comment 3 errata-xmlrpc 2026-08-11 19:26:12 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:53846 https://access.redhat.com/errata/RHSA-2026:53846
Comment 4 errata-xmlrpc 2026-08-11 19:38:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:53847 https://access.redhat.com/errata/RHSA-2026:53847
Comment 5 errata-xmlrpc 2026-08-11 20:10:25 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:53848 https://access.redhat.com/errata/RHSA-2026:53848
Comment 6 errata-xmlrpc 2026-08-26 08:03:26 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:59999 https://access.redhat.com/errata/RHSA-2026:59999
Comment 7 errata-xmlrpc 2026-08-26 08:18:39 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:59996 https://access.redhat.com/errata/RHSA-2026:59996
Comment 8 errata-xmlrpc 2026-08-26 08:22:45 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:60005 https://access.redhat.com/errata/RHSA-2026:60005
Comment 9 errata-xmlrpc 2026-08-26 08:32:28 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:60006 https://access.redhat.com/errata/RHSA-2026:60006
Comment 10 errata-xmlrpc 2026-08-26 14:14:29 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.8 Telecommunications Update Service

Via RHSA-2026:60333 https://access.redhat.com/errata/RHSA-2026:60333
Comment 11 errata-xmlrpc 2026-08-26 19:57:33 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 Extended Update Support Long-Life Add-On

Via RHSA-2026:60385 https://access.redhat.com/errata/RHSA-2026:60385
Comment 12 errata-xmlrpc 2026-08-31 02:38:26 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-2026:61249 https://access.redhat.com/errata/RHSA-2026:61249
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