server.c in Neat VNC (aka neatvnc) before 0.8.1 does not properly validate the security type, a related issue to CVE-2006-2369.
https://www.openwall.com/lists/oss-security/2024/08/02/7
https://www.openwall.com/lists/oss-security/2024/08/02/10
https://www.openwall.com/lists/oss-security/2024/08/02/1
https://github.com/any1/neatvnc/releases/tag/v0.8.1
https://github.com/any1/neatvnc/compare/v0.8.0...v0.8.1
https://github.com/any1/neatvnc/commit/cc71650a69abc2573a0d96d082409d2468802d47