Allocation of Resources Without Limits or Throttling Affecting std/net/mail package, versions <1.25.10>=1.26.0-0 <1.26.3


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (13th percentile)

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  • Snyk IDSNYK-GOLANG-STDNETMAIL-16535166
  • published8 May 2026
  • disclosed7 May 2026
  • creditthatnealpatel

Introduced: 7 May 2026

NewCVE-2026-39820  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade std/net/mail to version 1.25.10, 1.26.3 or higher.

Overview

std/net/mail is a Go standard library package std/net/mail

Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling.

Go Vulnerability Report:

Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU exhaustion and memory allocations.

CVSS Base Scores

version 4.0
version 3.1