vulnerability
MFSA2020-32 Firefox: Security Vulnerabilities fixed in Firefox ESR 78.1 (CVE-2020-15656)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Jul 28, 2020 | Jul 29, 2020 | Mar 27, 2026 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Jul 28, 2020
Added
Jul 29, 2020
Modified
Mar 27, 2026
Description
JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
Solution
mozilla-firefox-esr-upgrade-78_1
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