Memory Corruption Vulnerability in Firefox < 121: Potential Arbitrary Code Execution

CVE-2023-6873 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Memory safety bugs present in Firefox 120. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 121.

Learn more about our Web Application Penetration Testing UK.