CVE-2026-46600
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Parsing an invalid SVCB or HTTPS RR can panic when the size of a parameter value overflows the message buffer.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Go standard library | net | 1.26.0-0 < 1.26.6 | affected |
| Go standard library | net | 1.27.0-0 < 1.27.0-rc.3 | affected |
| golang.org/x/net | golang.org/x/net/dns/dnsmessage | 0 < 0.56.0 | affected |
Weaknesses
- CWE-125: Out-of-bounds Read
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
- https://go.dev/cl/786345
- https://go.dev/issue/79795
- https://groups.google.com/g/golang-announce/c/94pEornpRlI
- https://pkg.go.dev/vuln/GO-2026-5942
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