Vulnerability Description
Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Golang | Go | < 1.25.10 |
Related Weaknesses (CWE)
References
- https://go.dev/cl/771520Patch
- https://go.dev/issue/78987Issue Tracking
- https://groups.google.com/g/golang-announce/c/qcCIEXso47MRelease Notes
- https://pkg.go.dev/vuln/GO-2026-4977Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:17713
- https://access.redhat.com/errata/RHSA-2026:17714
- 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-2026:33574
- https://access.redhat.com/errata/RHSA-2026:34364
- https://access.redhat.com/errata/RHSA-2026:36319
- https://access.redhat.com/errata/RHSA-2026:36625
- https://access.redhat.com/errata/RHSA-2026:36754
FAQ
What is CVE-2026-42499?
CVE-2026-42499 is a vulnerability with a CVSS score of 7.5 (HIGH). Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322.
How severe is CVE-2026-42499?
CVE-2026-42499 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-42499?
Check the references section above for vendor advisories and patch information. Affected products include: Golang Go.