vulnerability
MFSA2020-25 Firefox: Security Vulnerabilities fixed in Firefox ESR 68.10 (CVE-2020-12420)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Jun 30, 2020 | Jul 2, 2020 | Aug 11, 2025 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Jun 30, 2020
Added
Jul 2, 2020
Modified
Aug 11, 2025
Description
When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
Solution
mozilla-firefox-esr-upgrade-68_10
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