{"id":34573,"date":"2026-10-09T00:34:27","date_gmt":"2026-10-08T16:34:27","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-107614"},"modified":"2026-10-09T00:34:27","modified_gmt":"2026-10-08T16:34:27","slug":"cve-2026-107614","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-107614","title":{"rendered":"CVE-2026-107614 [MEDIUM] &#8211; An integer underflow in WinCursorShapeUtils::trimTransparent() in GlavSoft TightVNC Server"},"content":{"rendered":"<p>An integer underflow in WinCursorShapeUtils::trimTransparent() in GlavSoft TightVNC Server for Windows before 2.8.88 allows a local authenticated user to crash the server, and potentially read out-of-bounds memory, by causing a cursor shape with a width or height of zero to be processed on the DXGI capture path. The loop bound width &#8211; 1 wraps to 0xFFFFFFFF, producing an access roughly 4 GB beyond the 64 KB cursor buffer; a monochrome cursor of height 1 also becomes 0 because getCursorHeight() halves the height in place.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>An integer underflow in WinCursorShapeUtils::trimTransparent() in GlavSoft TightVNC Server for Windows before 2.8.88 allows a local authenticated user to crash the server, and potentially read out-of-<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-34573","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/34573","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=34573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=34573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=34573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}