Security Advisory

CVE-2026-26201

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-02-19 19:21:05

Last updated 2026-02-19 21:22:50

Assigner GitHub_M

State PUBLISHED

Description

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`, causing C2 process crash (availability loss). Version 3.21.2 fixes this issue.

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