The various Is methods (IsPrivate, IsLoopback, etc) did not work as expected for IPv4-mapped IPv6 addresses, returning false for addresses which would return true in their traditional IPv4 forms.
https://pkg.go.dev/vuln/GO-2024-2887
http://www.openwall.com/lists/oss-security/2024/06/04/1
https://groups.google.com/g/golang-announce/c/XbxouI9gY7k/m/TuoGEhxIEwAJ
https://go.dev/issue/67680
https://go.dev/cl/590316
Source: Mitre, NVD
Published: 2024-06-05
Updated: 2024-09-03
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00146