Bug 2455908 (CVE-2026-5732) - CVE-2026-5732 firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics: Text component
Summary: CVE-2026-5732 firefox: thunderbird: Incorrect boundary conditions, integer ov...
Keywords:
Status: NEW
Alias: CVE-2026-5732
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: 2026-04-07 13:02 UTC by OSIDB Bzimport
Modified: 2026-05-11 01:33 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-2026:11805 0 None None None 2026-04-29 15:42:47 UTC
Red Hat Product Errata RHSA-2026:11813 0 None None None 2026-04-29 16:09:06 UTC
Red Hat Product Errata RHSA-2026:12264 0 None None None 2026-04-30 11:49:07 UTC
Red Hat Product Errata RHSA-2026:13342 0 None None None 2026-05-04 06:02:56 UTC
Red Hat Product Errata RHSA-2026:13412 0 None None None 2026-05-04 12:04:28 UTC
Red Hat Product Errata RHSA-2026:13533 0 None None None 2026-05-04 15:51:41 UTC
Red Hat Product Errata RHSA-2026:13582 0 None None None 2026-05-05 06:32:57 UTC
Red Hat Product Errata RHSA-2026:13583 0 None None None 2026-05-05 06:38:54 UTC
Red Hat Product Errata RHSA-2026:13596 0 None None None 2026-05-05 06:30:31 UTC
Red Hat Product Errata RHSA-2026:13600 0 None None None 2026-05-05 06:48:52 UTC
Red Hat Product Errata RHSA-2026:13665 0 None None None 2026-05-05 09:25:59 UTC
Red Hat Product Errata RHSA-2026:13682 0 None None None 2026-05-05 10:14:48 UTC
Red Hat Product Errata RHSA-2026:13683 0 None None None 2026-05-05 10:21:00 UTC
Red Hat Product Errata RHSA-2026:13922 0 None None None 2026-05-06 07:07:30 UTC
Red Hat Product Errata RHSA-2026:13977 0 None None None 2026-05-06 11:36:16 UTC
Red Hat Product Errata RHSA-2026:14223 0 None None None 2026-05-06 16:54:59 UTC
Red Hat Product Errata RHSA-2026:14303 0 None None None 2026-05-06 19:18:05 UTC
Red Hat Product Errata RHSA-2026:15889 0 None None None 2026-05-11 01:33:01 UTC
Red Hat Product Errata RHSA-2026:7671 0 None None None 2026-04-13 02:23:56 UTC
Red Hat Product Errata RHSA-2026:7672 0 None None None 2026-04-13 02:19:52 UTC
Red Hat Product Errata RHSA-2026:8052 0 None None None 2026-04-14 11:32:52 UTC
Red Hat Product Errata RHSA-2026:8459 0 None None None 2026-04-16 12:51:41 UTC
Red Hat Product Errata RHSA-2026:9345 0 None None None 2026-04-21 15:02:27 UTC
Red Hat Product Errata RHSA-2026:9638 0 None None None 2026-04-22 07:35:55 UTC

Description OSIDB Bzimport 2026-04-07 13:02:02 UTC 
Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability affects Firefox < 149.0.2 and Firefox ESR < 140.9.1.
Comment 1 errata-xmlrpc 2026-04-13 02:19:50 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:7672 https://access.redhat.com/errata/RHSA-2026:7672
Comment 2 errata-xmlrpc 2026-04-13 02:23:54 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:7671 https://access.redhat.com/errata/RHSA-2026:7671
Comment 3 errata-xmlrpc 2026-04-14 11:32:50 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:8052 https://access.redhat.com/errata/RHSA-2026:8052
Comment 4 errata-xmlrpc 2026-04-16 12:51:39 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:8459 https://access.redhat.com/errata/RHSA-2026:8459
Comment 5 errata-xmlrpc 2026-04-21 15:02:26 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:9345 https://access.redhat.com/errata/RHSA-2026:9345
Comment 6 errata-xmlrpc 2026-04-22 07:35:54 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:9638 https://access.redhat.com/errata/RHSA-2026:9638
Comment 7 errata-xmlrpc 2026-04-29 15:42:45 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Advanced Update Support

Via RHSA-2026:11805 https://access.redhat.com/errata/RHSA-2026:11805
Comment 8 errata-xmlrpc 2026-04-29 16:09:05 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:11813 https://access.redhat.com/errata/RHSA-2026:11813
Comment 9 errata-xmlrpc 2026-04-30 11:49:06 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2026:12264 https://access.redhat.com/errata/RHSA-2026:12264
Comment 10 errata-xmlrpc 2026-05-04 06:02:55 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:13342 https://access.redhat.com/errata/RHSA-2026:13342
Comment 11 errata-xmlrpc 2026-05-04 12:04:26 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:13412 https://access.redhat.com/errata/RHSA-2026:13412
Comment 12 errata-xmlrpc 2026-05-04 15:51:40 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2026:13533 https://access.redhat.com/errata/RHSA-2026:13533
Comment 13 errata-xmlrpc 2026-05-05 06:30:30 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2026:13596 https://access.redhat.com/errata/RHSA-2026:13596
Comment 14 errata-xmlrpc 2026-05-05 06:32:55 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2026:13582 https://access.redhat.com/errata/RHSA-2026:13582
Comment 15 errata-xmlrpc 2026-05-05 06:38:53 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:13583 https://access.redhat.com/errata/RHSA-2026:13583
Comment 16 errata-xmlrpc 2026-05-05 06:48:50 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-2026:13600 https://access.redhat.com/errata/RHSA-2026:13600
Comment 17 errata-xmlrpc 2026-05-05 09:25:58 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:13665 https://access.redhat.com/errata/RHSA-2026:13665
Comment 18 errata-xmlrpc 2026-05-05 10:14:47 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-2026:13682 https://access.redhat.com/errata/RHSA-2026:13682
Comment 19 errata-xmlrpc 2026-05-05 10:20:59 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 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.6 Telecommunications Update Service

Via RHSA-2026:13683 https://access.redhat.com/errata/RHSA-2026:13683
Comment 20 errata-xmlrpc 2026-05-06 07:07:29 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:13922 https://access.redhat.com/errata/RHSA-2026:13922
Comment 21 errata-xmlrpc 2026-05-06 11:36:15 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2026:13977 https://access.redhat.com/errata/RHSA-2026:13977
Comment 22 errata-xmlrpc 2026-05-06 16:54:57 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-2026:14223 https://access.redhat.com/errata/RHSA-2026:14223
Comment 23 errata-xmlrpc 2026-05-06 19:18:04 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-2026:14303 https://access.redhat.com/errata/RHSA-2026:14303
Comment 24 errata-xmlrpc 2026-05-11 01:33:00 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 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.6 Telecommunications Update Service

Via RHSA-2026:15889 https://access.redhat.com/errata/RHSA-2026:15889
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