{"vulnerability": "CVE-2026-50256", "sightings": [{"uuid": "f4896d10-e342-418d-a91a-c4397ea591f3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50256", "type": "seen", "source": "https://bsky.app/profile/xlibredev.bsky.social/post/3mnnpssgxc22m", "content": "We released the #XLibre Xserver 25.0.0.24 and 25.1.6 on Jun 05 containing #security fixes for CVE-2026-50256, CVE-2026-50257, CVE-2026-50258, CVE-2026-50259, CVE-2026-50260, CVE-2026-50261, CVE-2026-50262, and CVE-2026-50263. #CVE github.com/X11Libre/xse... github.com/X11Libre/xse...", "creation_timestamp": "2026-06-06T22:39:02.905871Z"}, {"uuid": "bd53bfcd-1873-4760-9aac-17bb06b99929", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50256", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mnk6vrzx4h2v", "content": "CVE-2026-50256 - Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: stack buffer overflow in font alias resolution due to libxfont2 name length mismatch\nCVE ID : CVE-2026-50256\n \n Published : June 5, 2026, 12:16 p.m. | 16\u00a0minutes ago\n \n Description : A stack-based buf...", "creation_timestamp": "2026-06-05T12:58:27.914211Z"}, {"uuid": "8aa9110e-8ede-4284-bd0a-94ce676d98d5", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50256", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mnlunsu66a2g", "content": "\ud83d\udfe0 CVE-2026-50256 - High (7.8)\n\nA stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch betwe...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-50256/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-06-06T05:00:23.711913Z"}, {"uuid": "6752fedf-a68e-40eb-9e02-44b6ebbc758a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50256", "type": "seen", "source": "https://bsky.app/profile/xlibredev.bsky.social/post/3mnnpspspy22m", "content": "We released the #XLibre Xserver 25.0.0.24 and 25.1.6 on Jun 05 containing #security fixes for CVE-2026-50256, CVE-2026-50257, CVE-2026-50258, CVE-2026-50259, CVE-2026-50260, CVE-2026-50261, CVE-2026-50262, and CVE-2026-50263. #CVE github.com/X11Libre/xse... github.com/X11Libre/xse...", "creation_timestamp": "2026-06-06T22:39:01.368342Z"}]}