Bug 2428966 (CVE-2026-0882) - CVE-2026-0882 firefox: thunderbird: Use-after-free in the IPC component
Summary: CVE-2026-0882 firefox: thunderbird: Use-after-free in the IPC component
Keywords:
Status: NEW
Alias: CVE-2026-0882
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-01-13 14:02 UTC by OSIDB Bzimport
Modified: 2026-01-27 17:22 UTC (History)
5 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-2026:0667 0 None None None 2026-01-15 08:19:20 UTC
Red Hat Product Errata RHSA-2026:0694 0 None None None 2026-01-15 11:47:28 UTC
Red Hat Product Errata RHSA-2026:0924 0 None None None 2026-01-21 11:56:52 UTC
Red Hat Product Errata RHSA-2026:1320 0 None None None 2026-01-27 06:51:17 UTC
Red Hat Product Errata RHSA-2026:1413 0 None None None 2026-01-27 17:06:31 UTC
Red Hat Product Errata RHSA-2026:1414 0 None None None 2026-01-27 17:22:13 UTC
Red Hat Product Errata RHSA-2026:1415 0 None None None 2026-01-27 17:12:15 UTC

Description OSIDB Bzimport 2026-01-13 14:02:16 UTC 
Use-after-free in the IPC component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, and Firefox ESR < 140.7.
Comment 1 errata-xmlrpc 2026-01-15 08:19:18 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:0667 https://access.redhat.com/errata/RHSA-2026:0667
Comment 2 errata-xmlrpc 2026-01-15 11:47:27 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:0694 https://access.redhat.com/errata/RHSA-2026:0694
Comment 3 errata-xmlrpc 2026-01-21 11:56:50 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:0924 https://access.redhat.com/errata/RHSA-2026:0924
Comment 4 errata-xmlrpc 2026-01-27 06:51:15 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:1320 https://access.redhat.com/errata/RHSA-2026:1320
Comment 5 errata-xmlrpc 2026-01-27 17:06:29 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2026:1413 https://access.redhat.com/errata/RHSA-2026:1413
Comment 6 errata-xmlrpc 2026-01-27 17:12:14 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:1415 https://access.redhat.com/errata/RHSA-2026:1415
Comment 7 errata-xmlrpc 2026-01-27 17:22:12 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2026:1414 https://access.redhat.com/errata/RHSA-2026:1414
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