CVE-2026-42499

high

Description

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

References

https://pkg.go.dev/vuln/GO-2026-4977

https://groups.google.com/g/golang-announce/c/qcCIEXso47M

https://go.dev/issue/78987

https://go.dev/cl/771520

Details

Source: Mitre, NVD

Published: 2026-05-07

Updated: 2026-05-07

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High