vulnerability
MFSA2020-36 Firefox: Security Vulnerabilities fixed in Firefox 80 (CVE-2020-15667)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Aug 25, 2020 | Aug 26, 2020 | Aug 11, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Aug 25, 2020
Added
Aug 26, 2020
Modified
Aug 11, 2025
Description
When processing a MAR update file, after the signature has been validated, an invalid name length could result in a heap overflow, leading to memory corruption and potentially arbitrary code execution. Within Firefox as released by Mozilla, this issue is only exploitable with the Mozilla-controlled signing key. This vulnerability affects Firefox < 80.
Solution
mozilla-firefox-upgrade-80_0
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