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.
Metrics
Affected Vendors & Products
References
History
Fri, 20 Feb 2026 01:15:00 +0000
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ssvc
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Thu, 19 Feb 2026 20:00:00 +0000
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| 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. | |
| Title | emp3r0r Affected by Concurrent Map Access DoS (panic/crash) | |
| Weaknesses | CWE-362 CWE-663 |
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cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-02-19T21:22:50.955Z
Reserved: 2026-02-11T19:56:24.813Z
Link: CVE-2026-26201
Updated: 2026-02-19T21:15:35.276Z
Status : Received
Published: 2026-02-19T20:25:42.770
Modified: 2026-02-19T20:25:42.770
Link: CVE-2026-26201
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OpenCVE Enrichment
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