{"id":13147,"date":"2026-09-04T18:59:54","date_gmt":"2026-09-04T10:59:54","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-55999"},"modified":"2026-09-04T18:59:54","modified_gmt":"2026-09-04T10:59:54","slug":"cve-2026-55999","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-55999","title":{"rendered":"CVE-2026-55999 [HIGH] &#8211; Local attackers with a X connection able to provide PCX fonts to the X \nserver xorg-server"},"content":{"rendered":"<p>Local attackers with a X connection able to provide PCX fonts to the X<br \/>\nserver xorg-server before 21.2.24 and xwayland before 24.1.13 could<br \/>\ncause a heap buffer overflow via SetFont due to missing glyph boundary checks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Local attackers with a X connection able to provide PCX fonts to the X<br \/>\nserver xorg-server before 21.2.24 and xwayland before 24.1.13 could<br \/>\ncause a heap buffer overflow via SetFont due to missing gly<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-13147","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/13147","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=13147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}