PT-2023-7975 · Mozilla+9 · Firefox+9
Jan Varga
·
Published
2023-12-19
·
Updated
2025-03-21
·
CVE-2023-6865
CVSS v2.0
7.8
High
| Vector | AV:N/AC:L/Au:N/C:C/I:N/A:N |
Name of the Vulnerable Software and Affected Versions
Firefox ESR versions prior to 115.6
Firefox versions prior to 121
Description
The issue is related to the
EncryptingOutputStream being susceptible to exposing uninitialized data. This could be abused to write data to a local disk, potentially affecting private browsing mode. The vulnerability may allow a remote attacker to disclose protected information.Recommendations
For Firefox ESR versions prior to 115.6, update to version 115.6 or later.
For Firefox versions prior to 121, update to version 121 or later.
As a temporary workaround, consider restricting access to sensitive data when using private browsing mode until the issue is resolved.
Exploit
Fix
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Firefox
Linuxmint
Red Hat
Red Os
Suse
Ubuntu