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: 2026-04-16 12:51 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-2026:7671 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

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
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