CWE-663— Use of a Non-reentrant Function in a Concurrent Context

The product calls a non-reentrant function in a concurrent context in which a competing code sequence (e.g. thread or signal handler) may have an opportunity to call the same function or otherwise influence its state.— MITRE CWE catalog

1 active CVE classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →

CVEs classified under CWE-663page 1 of 1

• CVE-2026-26201HIGHCVSS 7.5EG 7.5

  2026-02-19

  emp3r0r is a C2 designed by Linux users for Linux environments. Prior to version 3.21.2, multiple shared maps are accessed without consistent synchronization across goroutines. Under concurrent activity, Go runtime can trigger `fatal error…