Bug 2463485 (CVE-2026-7321) - CVE-2026-7321 firefox: thunderbird: webrtc: Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component
Summary: CVE-2026-7321 firefox: thunderbird: webrtc: Sandbox escape due to incorrect b...
Keywords:
Status: NEW
Alias: CVE-2026-7321
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2464330 2464331 2464332 2464334
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-28 15:01 UTC by OSIDB Bzimport
Modified: 2026-06-10 09:03 UTC (History)
7 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-2026:19153 0 None None None 2026-05-19 16:10:05 UTC
Red Hat Product Errata RHSA-2026:19157 0 None None None 2026-05-19 16:10:30 UTC
Red Hat Product Errata RHSA-2026:19348 0 None None None 2026-05-19 21:38:22 UTC
Red Hat Product Errata RHSA-2026:19370 0 None None None 2026-05-19 21:41:41 UTC
Red Hat Product Errata RHSA-2026:19588 0 None None None 2026-05-20 11:27:58 UTC
Red Hat Product Errata RHSA-2026:20586 0 None None None 2026-05-26 04:52:40 UTC
Red Hat Product Errata RHSA-2026:21743 0 None None None 2026-05-28 12:30:39 UTC
Red Hat Product Errata RHSA-2026:22324 0 None None None 2026-06-01 15:29:55 UTC
Red Hat Product Errata RHSA-2026:22408 0 None None None 2026-06-02 06:51:15 UTC
Red Hat Product Errata RHSA-2026:22409 0 None None None 2026-06-02 06:54:32 UTC
Red Hat Product Errata RHSA-2026:22410 0 None None None 2026-06-02 06:49:21 UTC
Red Hat Product Errata RHSA-2026:22708 0 None None None 2026-06-03 05:50:28 UTC
Red Hat Product Errata RHSA-2026:22712 0 None None None 2026-06-03 07:48:55 UTC
Red Hat Product Errata RHSA-2026:22847 0 None None None 2026-06-03 13:47:32 UTC
Red Hat Product Errata RHSA-2026:24345 0 None None None 2026-06-08 02:54:35 UTC
Red Hat Product Errata RHSA-2026:24717 0 None None None 2026-06-09 06:48:52 UTC
Red Hat Product Errata RHSA-2026:24718 0 None None None 2026-06-09 06:44:30 UTC
Red Hat Product Errata RHSA-2026:24719 0 None None None 2026-06-09 06:45:10 UTC
Red Hat Product Errata RHSA-2026:24721 0 None None None 2026-06-09 08:05:15 UTC
Red Hat Product Errata RHSA-2026:24844 0 None None None 2026-06-09 15:05:10 UTC
Red Hat Product Errata RHSA-2026:24846 0 None None None 2026-06-09 15:08:28 UTC
Red Hat Product Errata RHSA-2026:25014 0 None None None 2026-06-10 09:03:58 UTC

Description OSIDB Bzimport 2026-04-28 15:01:49 UTC 
Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox ESR 140.10.1.
Comment 2 errata-xmlrpc 2026-05-19 16:10:03 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:19153 https://access.redhat.com/errata/RHSA-2026:19153
Comment 3 errata-xmlrpc 2026-05-19 16:10:28 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:19157 https://access.redhat.com/errata/RHSA-2026:19157
Comment 4 errata-xmlrpc 2026-05-19 21:38:21 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:19348 https://access.redhat.com/errata/RHSA-2026:19348
Comment 5 errata-xmlrpc 2026-05-19 21:41:39 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:19370 https://access.redhat.com/errata/RHSA-2026:19370
Comment 6 errata-xmlrpc 2026-05-20 11:27:56 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:19588 https://access.redhat.com/errata/RHSA-2026:19588
Comment 7 errata-xmlrpc 2026-05-26 04:52:38 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:20586 https://access.redhat.com/errata/RHSA-2026:20586
Comment 8 errata-xmlrpc 2026-05-28 12:30:38 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2026:21743 https://access.redhat.com/errata/RHSA-2026:21743
Comment 9 errata-xmlrpc 2026-06-01 15:29:54 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:22324 https://access.redhat.com/errata/RHSA-2026:22324
Comment 10 errata-xmlrpc 2026-06-02 06:49:20 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:22410 https://access.redhat.com/errata/RHSA-2026:22410
Comment 11 errata-xmlrpc 2026-06-02 06:51:13 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:22408 https://access.redhat.com/errata/RHSA-2026:22408
Comment 12 errata-xmlrpc 2026-06-02 06:54:30 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:22409 https://access.redhat.com/errata/RHSA-2026:22409
Comment 13 errata-xmlrpc 2026-06-03 05:50:27 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2026:22708 https://access.redhat.com/errata/RHSA-2026:22708
Comment 14 errata-xmlrpc 2026-06-03 07:48:54 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-2026:22712 https://access.redhat.com/errata/RHSA-2026:22712
Comment 15 errata-xmlrpc 2026-06-03 13:47:31 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-2026:22847 https://access.redhat.com/errata/RHSA-2026:22847
Comment 16 errata-xmlrpc 2026-06-08 02:54:33 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-2026:24345 https://access.redhat.com/errata/RHSA-2026:24345
Comment 17 errata-xmlrpc 2026-06-09 06:44:29 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-2026:24718 https://access.redhat.com/errata/RHSA-2026:24718
Comment 18 errata-xmlrpc 2026-06-09 06:45:08 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:24719 https://access.redhat.com/errata/RHSA-2026:24719
Comment 19 errata-xmlrpc 2026-06-09 06:48:51 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-2026:24717 https://access.redhat.com/errata/RHSA-2026:24717
Comment 20 errata-xmlrpc 2026-06-09 08:05:14 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:24721 https://access.redhat.com/errata/RHSA-2026:24721
Comment 21 errata-xmlrpc 2026-06-09 15:05:09 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:24844 https://access.redhat.com/errata/RHSA-2026:24844
Comment 22 errata-xmlrpc 2026-06-09 15:08:27 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:24846 https://access.redhat.com/errata/RHSA-2026:24846
Comment 23 errata-xmlrpc 2026-06-10 09:03:57 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-2026:25014 https://access.redhat.com/errata/RHSA-2026:25014
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