CVE-2023-6871Mozilla Firefox vulnerability

10 documents7 sources
Severity
4.3MEDIUMNVD
EPSS
0.2%
top 62.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 19
Latest updateJan 11

Description

Under certain conditions, Firefox did not display a warning when a user attempted to navigate to a new protocol handler. This vulnerability affects Firefox < 121.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages3 packages

CVEListV5mozilla/firefoxunspecified121
NVDmozilla/firefox< 121.0
Ubuntumozilla/firefox< 121.0+build1-0ubuntu0.20.04.1+1

🔴Vulnerability Details

5
OSV
firefox regressions2024-01-11
OSV
firefox vulnerabilities2024-01-02
OSV
CVE-2023-6871: Under certain conditions, Firefox did not display a warning when a user attempted to navigate to a new protocol handler2023-12-20
CVEList
CVE-2023-6871: Under certain conditions, Firefox did not display a warning when a user attempted to navigate to a new protocol handler2023-12-19
GHSA
GHSA-43mg-g32w-94qf: Under certain conditions, Firefox did not display a warning when a user attempted to navigate to a new protocol handler2023-12-19

📋Vendor Advisories

4
Ubuntu
Firefox regressions2024-01-11
Ubuntu
Firefox vulnerabilities2024-01-02
Debian
CVE-2023-6871: firefox - Under certain conditions, Firefox did not display a warning when a user attempte...2023
Mozilla
Mozilla Foundation Security Advisory 2023-56: CVE-2023-6871
CVE-2023-6871 — Mozilla Firefox vulnerability | cvebase