Bug 2442292 (CVE-2026-2781) - CVE-2026-2781 firefox: thunderbird: Integer overflow in the Libraries component in NSS
Summary: CVE-2026-2781 firefox: thunderbird: Integer overflow in the Libraries compone...
Keywords:
Status: NEW
Alias: CVE-2026-2781
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:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-02-24 14:02 UTC by OSIDB Bzimport
Modified: 2026-03-02 11:40 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-2026:3338 0 None None None 2026-02-25 11:32:15 UTC
Red Hat Product Errata RHSA-2026:3339 0 None None None 2026-02-25 11:43:03 UTC
Red Hat Product Errata RHSA-2026:3361 0 None None None 2026-02-25 15:21:05 UTC
Red Hat Product Errata RHSA-2026:3491 0 None None None 2026-03-02 05:41:36 UTC
Red Hat Product Errata RHSA-2026:3492 0 None None None 2026-03-02 05:43:07 UTC
Red Hat Product Errata RHSA-2026:3493 0 None None None 2026-03-02 05:48:51 UTC
Red Hat Product Errata RHSA-2026:3494 0 None None None 2026-03-02 05:53:55 UTC
Red Hat Product Errata RHSA-2026:3495 0 None None None 2026-03-02 05:53:25 UTC
Red Hat Product Errata RHSA-2026:3496 0 None None None 2026-03-02 06:02:23 UTC
Red Hat Product Errata RHSA-2026:3497 0 None None None 2026-03-02 06:09:58 UTC
Red Hat Product Errata RHSA-2026:3515 0 None None None 2026-03-02 11:32:28 UTC
Red Hat Product Errata RHSA-2026:3516 0 None None None 2026-03-02 11:40:34 UTC
Red Hat Product Errata RHSA-2026:3517 0 None None None 2026-03-02 11:36:00 UTC

Description OSIDB Bzimport 2026-02-24 14:02:52 UTC 
Integer overflow in the Libraries component in NSS. This vulnerability affects Firefox < 148 and Firefox ESR < 140.8.
Comment 1 errata-xmlrpc 2026-02-25 11:32:14 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:3338 https://access.redhat.com/errata/RHSA-2026:3338
Comment 2 errata-xmlrpc 2026-02-25 11:43:01 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:3339 https://access.redhat.com/errata/RHSA-2026:3339
Comment 3 errata-xmlrpc 2026-02-25 15:21:04 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:3361 https://access.redhat.com/errata/RHSA-2026:3361
Comment 4 errata-xmlrpc 2026-03-02 05:41:35 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-2026:3491 https://access.redhat.com/errata/RHSA-2026:3491
Comment 5 errata-xmlrpc 2026-03-02 05:43:06 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Advanced Update Support

Via RHSA-2026:3492 https://access.redhat.com/errata/RHSA-2026:3492
Comment 6 errata-xmlrpc 2026-03-02 05:48:49 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2026:3493 https://access.redhat.com/errata/RHSA-2026:3493
Comment 7 errata-xmlrpc 2026-03-02 05:53:24 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-2026:3495 https://access.redhat.com/errata/RHSA-2026:3495
Comment 8 errata-xmlrpc 2026-03-02 05:53:54 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-2026:3494 https://access.redhat.com/errata/RHSA-2026:3494
Comment 9 errata-xmlrpc 2026-03-02 06:02:21 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2026:3496 https://access.redhat.com/errata/RHSA-2026:3496
Comment 10 errata-xmlrpc 2026-03-02 06:09:57 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:3497 https://access.redhat.com/errata/RHSA-2026:3497
Comment 11 errata-xmlrpc 2026-03-02 11:32:27 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:3515 https://access.redhat.com/errata/RHSA-2026:3515
Comment 12 errata-xmlrpc 2026-03-02 11:35:59 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:3517 https://access.redhat.com/errata/RHSA-2026:3517
Comment 13 errata-xmlrpc 2026-03-02 11:40:33 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:3516 https://access.redhat.com/errata/RHSA-2026:3516
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