Vulnerability in Go Standard Library Net/mail

CVE-2025-61725

The ParseAddress function constructs domain-literal address components through repeated string concatenation. When parsing large domain-literal components, this can cause excessive CPU consumption.

EPSS: 0.006 (46.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

References

Frequently asked questions

What is CVE-2025-61725?
CVE-2025-61725 is a high-severity vulnerability in Go Standard Library Net/mail, classified under CWE-407: INEFFICIENT ALGORITHMIC COMPLEXITY. CVSS score: 7.5/10. Published 2025-10-29.
How severe is CVE-2025-61725?
High severity. CVSS v3 base score is 7.5 out of 10.