CWE-663
Use of a Non-reentrant Function in a Concurrent Context
BaseDraft
Description
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.
Hierarchy (View 1000)
Related attack patterns (CAPEC)
CAPEC-29
CVEs mapped to this weakness (1)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-26201 | — | 0.00 | — | 0.00 | Feb 19, 2026 | 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: concurrent map read and map write`,… |
- CVE-2026-26201Feb 19, 2026risk 0.00cvss —epss 0.00
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: concurrent map read and map write`,…