vulnerability
MFSA2023-54 Firefox: Security Vulnerabilities fixed in Firefox ESR 115.6 (CVE-2023-6865)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:C/I:N/A:N) | Dec 19, 2023 | Dec 20, 2023 | Feb 10, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:C/I:N/A:N)
Published
Dec 19, 2023
Added
Dec 20, 2023
Modified
Feb 10, 2026
Description
`EncryptingOutputStream` was susceptible to exposing uninitialized data. This issue could only be abused in order to write data to a local disk which may have implications for private browsing mode. This vulnerability affects Firefox ESR < 115.6 and Firefox < 121.
Solution
mozilla-firefox-esr-upgrade-115_6
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