CVE-2023-4058
CriticalCVSS 9.8Exploitation Probability (EPSS)
Low risk45th percentile - higher than 45% of all known CVEs
Summary
Memory safety bugs present in Firefox 115. 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.
Risk Assessment
This vulnerability may lead to the execution of malicious code, posing a serious threat to the security of users and organizations using the outdated version of the browser.
Recommendation
It is recommended to update Firefox to version 116 or newer to mitigate this vulnerability.
Original NVD description (English source)
Memory safety bugs present in Firefox 115. 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 < 116.

