Bug 2534197 (CVE-2026-92239) - CVE-2026-92239 thunderbird: Thunderbird: Out-of-bounds read via maliciously constructed IMAP line
Summary: CVE-2026-92239 thunderbird: Thunderbird: Out-of-bounds read via maliciously c...
Keywords:
Status: NEW
Alias: CVE-2026-92239
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: 2026-09-15 20:07 UTC by OSIDB Bzimport
Modified: 2026-09-24 01:58 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-2026:70642 0 None None None 2026-09-24 01:58:12 UTC

Description OSIDB Bzimport 2026-09-15 20:07:11 UTC 
A maliciously constructed IMAP line could cause an out-of-bounds buffer read. This vulnerability was fixed in Thunderbird 140.16.
Comment 1 Jon Orris 2026-09-24 01:58:11 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:70642 https://access.redhat.com/errata/RHSA-2026:70642
Note You need to log in before you can comment on or make changes to this bug.