Bug 2403776 (CVE-2025-11711) - CVE-2025-11711 thunderbird: firefox: Some non-writable Object properties could be modified
Summary: CVE-2025-11711 thunderbird: firefox: Some non-writable Object properties coul...
Keywords:
Status: NEW
Alias: CVE-2025-11711
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: 2025-10-14 13:02 UTC by OSIDB Bzimport
Modified: 2025-10-15 16:35 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2025:18154 0 None None None 2025-10-15 15:54:39 UTC
Red Hat Product Errata RHSA-2025:18155 0 None None None 2025-10-15 16:35:42 UTC

Description OSIDB Bzimport 2025-10-14 13:02:42 UTC 
There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable. This vulnerability affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
Comment 1 errata-xmlrpc 2025-10-15 15:54:38 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2025:18154 https://access.redhat.com/errata/RHSA-2025:18154
Comment 2 errata-xmlrpc 2025-10-15 16:35:40 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:18155 https://access.redhat.com/errata/RHSA-2025:18155
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