FreeBSD VuXML: Documenting security issues in FreeBSD and the FreeBSD Ports Collection

Mozilla -- mitigation bypass vulnerability

Affected packages
	firefox	<	143.0,2
	thunderbird	<	143.0

Details

VuXML ID	a240c31b-a394-11f0-9617-b42e991fc52e
Discovery	2025-09-16
Entry	2025-10-07

security@mozilla.org reports:

The vulnerability has been rated as having moderate impact, affecting both confidentiality and integrity with low severity, while having no impact on availability. For Thunderbird specifically, the vulnerability cannot be exploited through email as scripting is disabled when reading mail, but remains a potential risk in browser or browser-like contexts

[source]

References

CVE Name	CVE-2025-10531
URL	https://nvd.nist.gov/vuln/detail/CVE-2025-10531