net/mail vulnerability

Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322.

Published 7 May 2026Updated 7 Sep 202678 sources
CVSS 7.5

What happened

Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322.

Affected versions

net/mail: before 1.25.10 (semver); 1.26.0-0 through before 1.26.3 (semver) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.