wi_senderr of the file repeater/webgui/webutils.c. This manipulation causes out-of-bounds write.
This vulnerability appears as CVE-2026-7840. The attack may be initiated remotely. There is no available exploit.
It is advisable to upgrade the affected component.
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CVE-2026-7840 | uvnc UltraVNC up to 1.8.2.2 webutils.c wi_senderr out-of-bounds write (EUVD-2026-40886)
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A vulnerability, which was classified as critical, has been found in uvnc UltraVNC up to 1.8.2.2. This vulnerability affects the function
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