CVE-2026-42499

HIGH EPSS 43.2%
Published May 7, 20261mo ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published May 7, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

Description

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

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
43.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 2

VendorProductVersionRange
golanggo* <1.25.10
golanggo*≥1.26.0  –  <1.26.3

References 4

  • go.dev https://go.dev/cl/771520
    Patch
  • go.dev https://go.dev/issue/78987
    Issue Tracking
  • groups.google.com https://groups.google.com/g/golang-announce/c/qcCIEXso47M
    Release Notes
  • pkg.go.dev https://pkg.go.dev/vuln/GO-2026-4977
    Vendor Advisory

Remediation

  • go.dev https://go.dev/cl/771520
    Patch