vulnerability
MFSA2026-47 Firefox: Security Vulnerabilities fixed in Firefox ESR 115.36 (CVE-2026-8947)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | May 19, 2026 | May 19, 2026 | May 20, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
May 19, 2026
Added
May 19, 2026
Modified
May 20, 2026
Description
Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
Solution
mozilla-firefox-esr-upgrade-115_36
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