Threats Tagged 'cve-2026-42859'
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Threats Tagged 'cve-2026-42859'
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0 Neat VNC is a VNC server library. Prior to 0.9.6, a pre-authentication stack buffer overflow exists in neatvnc in the RSA-AES security type handler. An unauthenticated remote attacker who can reach the VNC listening socket can send a crafted security type 5 (RSA-AES) or security type 129 (RSA-AES-256) handshake with an oversized client RSA public key, causing rsa_aes_send_challenge in src/auth/rsa-aes.c to overflow a 1024-byte on-stack buffer when encrypting the server challenge. This results in at least a denial of service via server crash. This vulnerability is fixed in 0.9.6. Join the discussion | CVE Database V5 | 05/11/2026, 17:36:08 UTC Added: 05/11/2026, 18:06:27 UTC |
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