CVE-2023-6865 Affecting firefox-esr package, versions <115.6.0esr-1~deb12u1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.07% (33rd percentile)

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  • Snyk IDSNYK-DEBIAN12-FIREFOXESR-6131854
  • published20 Dec 2023
  • disclosed19 Dec 2023

Introduced: 19 Dec 2023

CVE-2023-6865  (opens in a new tab)

How to fix?

Upgrade Debian:12 firefox-esr to version 115.6.0esr-1~deb12u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-esr package and not the firefox-esr package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

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.

CVSS Scores

version 3.1