CVE-2023-6865

—

CVSS 3.1

6.5 medium

EPSS

<1%p57

Published

Dec 19, 2023 (Dec 19, 2023)

Modified

Jun 17, 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.

Vendors: mozilla debian
Products: firefox, firefox esr, debian linux
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.9%)

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