Vulnerability · Published Dec 19, 2023 · Assigned by mozilla

CVE-2023-6870

Medium 4.3

In plain English

A medium-severity security flaw in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).

Severity (CVSS NVD)4.3Medium
Exploit odds (30 days)0.4%top 67.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Applications which spawn a Toast notification in a background thread may have obscured fullscreen notifications displayed by Firefox. *This issue only affects Android versions of Firefox and Firefox Focus.* This vulnerability affects Firefox < 121.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:22.04:LTSmozjs102no fix listedUBUNTU-CVE-2023-6870
Ubuntu:24.04:LTSmozjs102no fix listedUBUNTU-CVE-2023-6870
Ubuntu:22.04:LTSmozjs78no fix listedUBUNTU-CVE-2023-6870
Ubuntu:22.04:LTSmozjs91no fix listedUBUNTU-CVE-2023-6870

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 121

References