CVSS 3.1 Score 9.8 of 10 (high)


Published Aug 1, 2023
Updated: Aug 11, 2023
CWE ID 787


CVE-2023-4056 is a memory safety vulnerability that affects Firefox versions 115 and Firefox ESR versions 115.0 and 102.13, as well as Thunderbird versions 115.0 and 102.13. It is categorized as a critical vulnerability with a base score of 9.8, indicating high potential danger to organizations. The vulnerability could be exploited to run arbitrary code by leveraging memory corruption. Remediation for this vulnerability involves updating Firefox to version 116, Firefox ESR to version 102.14 or higher, or Firefox ESR to version 115.1 or higher. The vulnerability poses a significant risk as it allows attackers to execute code on affected systems, potentially leading to data theft or system compromise.


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