CVSS 3.1 Score 8.8 of 10 (high)


Published Jan 23, 2024
Updated: Feb 2, 2024


CVE-2024-0755 is a memory safety vulnerability that affects Firefox versions 121 and Firefox ESR versions 115.6, as well as Thunderbird version 115.6. The vulnerability could potentially be exploited to run arbitrary code on affected systems. Remediation can be achieved by updating to Firefox version 122 or later, Firefox ESR version 115.7 or later, and Thunderbird version 115.7 or later. This vulnerability poses a high risk to organizations as it has a base severity of HIGH and can lead to the compromise of confidentiality, integrity, and availability of the affected systems. The exploitability score is 2.8, indicating that an attack requires no privileges and user interaction is required, but the attack vector is through the network.

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