CVSS 3.1 Score 6.4 of 10 (medium)


Published Jan 10, 2024
Updated: Feb 21, 2024
CWE ID 400


CVE-2023-49295 is a vulnerability in the quic-go implementation of the QUIC protocol in Go. The vulnerability allows an attacker to cause the receiver to run out of memory by sending a large number of PATH_CHALLENGE frames. The attacker can prevent the receiver from responding to these frames by manipulating the congestion window and RTT estimate. This vulnerability has been patched in versions 0.37.7, 0.38.2, and 0.39.4 of quic-go. It affects multiple products and has a base severity rating of MEDIUM, with a CVSS score of 6.4. The potential danger it poses to an organization is low integrity and confidentiality impact, but high availability impact if exploited successfully over the network.


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