vulnerability
MFSA2025-83 Firefox: Security Vulnerabilities fixed in Firefox ESR 140.4 (CVE-2025-11715)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Oct 14, 2025 | Oct 15, 2025 | Oct 16, 2025 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Oct 14, 2025
Added
Oct 15, 2025
Modified
Oct 16, 2025
Description
Memory safety bugs present in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.
Solution
mozilla-firefox-esr-upgrade-140_4
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