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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2025-54870

VTun-ng's failure to initialize encryption modules may cause reversion to plaintext

Description

VTun-ng is a Virtual Tunnel over TCP/IP network. In versions 3.0.17 and below, failure to initialize encryption modules might cause reversion to plaintext due to insufficient error handling. The bug was first introduced in VTun-ng version 3.0.12. This is fixed in version 3.0.18. To workaround this issue, avoid blowfish-256.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

leakingmemory vtun-ng

  • >= 3.0.12, < 3.0.18affected

References