CVE-2025-61725
net/mail: Excessive CPU consumption in ParseAddress in net/mail
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 30, 2025
Updated · October 27, 2026
Description
A denial of service vulnerability has been discovered in the golang net/mail module. The ParseAddress function constructed domain-literal address components through repeated string concatenation which when parsing large domain-literal components, could cause excessive CPU consumption.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-770 · Allocation of Resources Without Limits or Throttling