CVSS 3.1 Score 7.5 of 10 (high)


Published Oct 17, 2023
Updated: Nov 6, 2023


CVE-2023-39456 is an Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames. This vulnerability affects Apache Traffic Server versions 9.0.0 through 9.2.2. Users are advised to upgrade to version 9.2.3, which resolves the issue. The vulnerability has a base severity rating of HIGH and a base score of 7.5 according to [email protected]. It does not require any privileges or user interaction for exploitation and can be targeted over the network, potentially leading to a high availability impact on affected systems.

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