7.5

CVE-2026-42499

Quadratic string concatenation in consumePhrase in net/mail

Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Golang ≫ Go Version < 1.25.10
Golang ≫ Go Version >= 1.26.0 < 1.26.3
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.8% 0.52
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0b0ca135-0b70-47e7-9f44-1890c2a1c46c 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-1046 Creation of Immutable Text Using String Concatenation

The product creates an immutable text string using string concatenation operations.

https://go.dev/issue/78987
Issue Tracking
https://go.dev/cl/771520
Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2467809
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42499.json
https://access.redhat.com/errata/RHSA-2026:33574
https://access.redhat.com/errata/RHSA-2026:34364
https://groups.google.com/g/golang-announce/c/qcCIEXso47M
Release Notes
https://access.redhat.com/errata/RHSA-2026:33120
https://access.redhat.com/errata/RHSA-2026:33123
https://access.redhat.com/errata/RHSA-2026:33142
https://access.redhat.com/errata/RHSA-2026:33150
https://access.redhat.com/errata/RHSA-2026:36319
https://access.redhat.com/errata/RHSA-2026:36625
https://pkg.go.dev/vuln/GO-2026-4977
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-42499
https://access.redhat.com/errata/RHSA-2026:36754
https://access.redhat.com/errata/RHSA-2026:36797