Threats Tagged 'cve-2026-7838'
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Threats Tagged 'cve-2026-7838'
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CVE-2026-7838: Integer Overflow or Wraparound in uvnc UltraVNCCVE-2026-7838 0 UltraVNC viewer versions up to 1.8.2.2 contain an integer overflow vulnerability in the RFB protocol failure-response parsing. This flaw leads to a heap buffer overflow when processing certain failure messages from a malicious or man-in-the-middle VNC server. Exploitation can cause a crash or potentially remote code execution as the user running the viewer. The vulnerability is confirmed by AddressSanitizer testing. No official patch or remediation guidance is currently provided. Join the discussion | CVE Database V5 | 07/01/2026, 03:33:26 UTC Added: 07/01/2026, 05:07:06 UTC |
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