Bug 2467657 (CVE-2026-4430) - CVE-2026-4430 LibreOffice: LibreOffice: Denial of Service via crafted OOXML documents
Summary: CVE-2026-4430 LibreOffice: LibreOffice: Denial of Service via crafted OOXML d...
Keywords:
Status: NEW
Alias: CVE-2026-4430
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2477895
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-07 08:01 UTC by OSIDB Bzimport
Modified: 2026-07-14 07:49 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-2026:28290 0 None None None 2026-06-24 02:12:57 UTC
Red Hat Product Errata RHSA-2026:28922 0 None None None 2026-06-24 11:21:05 UTC
Red Hat Product Errata RHSA-2026:37249 0 None None None 2026-07-09 11:14:17 UTC
Red Hat Product Errata RHSA-2026:37250 0 None None None 2026-07-09 11:55:26 UTC
Red Hat Product Errata RHSA-2026:37251 0 None None None 2026-07-09 11:30:01 UTC
Red Hat Product Errata RHSA-2026:38507 0 None None None 2026-07-13 06:33:46 UTC
Red Hat Product Errata RHSA-2026:38508 0 None None None 2026-07-13 06:29:17 UTC
Red Hat Product Errata RHSA-2026:39119 0 None None None 2026-07-14 07:49:03 UTC

Description OSIDB Bzimport 2026-05-07 08:01:12 UTC 
Out-of-bounds write vulnerability in The Document Foundation LibreOffice via crafted OOXML documents with mismatched encryption salt parameters.

This issue affects LibreOffice: from 26.2 before 26.2.3, from 25.8 before 25.8.7.
Comment 2 errata-xmlrpc 2026-06-24 02:12:56 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:28290 https://access.redhat.com/errata/RHSA-2026:28290
Comment 3 errata-xmlrpc 2026-06-24 11:21:04 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:28922 https://access.redhat.com/errata/RHSA-2026:28922
Comment 4 errata-xmlrpc 2026-07-09 11:14:15 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-2026:37249 https://access.redhat.com/errata/RHSA-2026:37249
Comment 5 errata-xmlrpc 2026-07-09 11:30:00 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-2026:37251 https://access.redhat.com/errata/RHSA-2026:37251
Comment 6 errata-xmlrpc 2026-07-09 11:55:25 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:37250 https://access.redhat.com/errata/RHSA-2026:37250
Comment 7 errata-xmlrpc 2026-07-13 06:29:16 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:38508 https://access.redhat.com/errata/RHSA-2026:38508
Comment 8 errata-xmlrpc 2026-07-13 06:33:45 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:38507 https://access.redhat.com/errata/RHSA-2026:38507
Comment 9 errata-xmlrpc 2026-07-14 07:49:02 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-2026:39119 https://access.redhat.com/errata/RHSA-2026:39119
Note You need to log in before you can comment on or make changes to this bug.