Description
CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. Prior to 1.8.1 and 1.9.1, CoreWCF UnixDomainSocket POSIX peer identity resolution uses non-reentrant getpwuid and getgrgid calls, allowing concurrent connections to attribute one connection-s identity to another or crash the host process under contention. This issue is fixed in versions 1.8.1 and 1.9.1.
CVSS 6.2EPSS 0.1%Risk 0.63
View source- Published
- 2026-07-08 23:16:55
- Affected versions
- <1.8.1,<1.9.1
- Type
- Critical software
- Vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H