CVE-2026-39820

HIGH EPSS 38.2%
Published May 7, 20261mo ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published May 7, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

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

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
38.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-770

Affected Products 2

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

References 4

  • go.dev https://go.dev/cl/759940
    Patch
  • go.dev https://go.dev/issue/78566
    Issue Tracking
  • groups.google.com https://groups.google.com/g/golang-announce/c/qcCIEXso47M
    Issue TrackingMailing List
  • pkg.go.dev https://pkg.go.dev/vuln/GO-2026-4986
    Vendor Advisory

Remediation

  • go.dev https://go.dev/cl/759940
    Patch