CVE-2023-6865

MEDIUM

Firefox ESR < 115.6 - Info Disclosure

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 6.5
EPSS 0.0041
EPSS Percentile 61.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Details

Status published
Products (5)
debian/debian_linux 10.0
debian/debian_linux 11.0
debian/debian_linux 12.0
mozilla/firefox < 121.0
mozilla/firefox_esr < 115.6
Published Dec 19, 2023
Tracked Since Feb 18, 2026