What is CVE-2025-64702?

CVE-2025-64702 is a medium-severity vulnerability in Quic-go, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2025-12-11.

How severe is CVE-2025-64702?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Resource exhaustion in Quic-go

CVE-2025-64702

quic-go is an implementation of the QUIC protocol in Go. Versions 0.56.0 and below are vulnerable to excessive memory allocation through quic-go's HTTP/3 client and server implementations by sending a QPACK-encoded HEADERS frame that decod…

EPSS: 0.003 (24.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Quic-go — versions < 0.57.0
Quic-go_project Quic-go

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2025-64702?: CVE-2025-64702 is a medium-severity vulnerability in Quic-go, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2025-12-11.
How severe is CVE-2025-64702?: Medium severity. CVSS v3 base score is 5.3 out of 10.