Bug 2374560 (CVE-2025-6426)

Summary: CVE-2025-6426 firefox: thunderbird: No warning when opening executable terminal files on macOS
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: gotiwari, jhorak, mvyas, tpopela
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: The executable file warning did not warn users before opening files with the terminal extension. This bug only affects Firefox and Thunderbird for macOS. Other versions of Thunderbird are unaffected.
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Description OSIDB Bzimport 2025-06-24 13:01:29 UTC
The executable file warning did not warn users before opening files with the `terminal` extension. 
*This bug only affects Firefox for macOS. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 140 and Firefox ESR < 128.12.