CVSS 3.1 Score 7.5 of 10 (high)


Published Jan 23, 2024
Updated: Mar 25, 2024
CWE ID 252


CVE-2024-0743 is a cyber vulnerability that affects Firefox versions below 122, Firefox ESR versions below 115.9, and Thunderbird versions below 115.9. It is caused by an unchecked return value in TLS handshake code, which could potentially lead to a crash that can be exploited. The vulnerability has a base severity rating of HIGH and a base score of 7.5. It requires no privileges and no user interaction to exploit, and the attack vector is through the network. The potential danger it poses to an organization is high, as it can impact availability. Remediation involves updating the affected products to versions 122 or higher for Firefox and 115.9 or higher for Firefox ESR and Thunderbird.

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