Resource exhaustion in Quic-go

CVE-2023-49295

quic-go is an implementation of the QUIC protocol (RFC 9000, RFC 9001, RFC 9002) in Go. An attacker can cause its peer to run out of memory sending a large number of PATH_CHALLENGE frames. The receiver is supposed to respond to each PATH_C…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.012 (64.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-49295?
CVE-2023-49295 is a medium-severity vulnerability in Quic-go, classified under Uncontrolled Resource Consumption. CVSS score: 6.4/10. Published 2024-01-10.
How severe is CVE-2023-49295?
Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2023-49295 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.