{"vulnerability": "CVE-2026-50261", "sightings": [{"uuid": "2ed25553-c86f-44b5-ab3d-c30359b5c612", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50261", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mnk6rnmmen2o", "content": "CVE-2026-50261 - Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()\nCVE ID : CVE-2026-50261\n \n Published : June 5, 2026, 12:16 p.m. | 16\u00a0minutes ago\n \n Description : A use-after-free flaw was found in the X.Org X server and Xwayla...", "creation_timestamp": "2026-06-05T12:56:11.501635Z"}, {"uuid": "23e551ad-9230-4e1c-9344-ee5ba9775c88", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50261", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mnlnxn2zuq2s", "content": "\ud83d\udfe0 CVE-2026-50261 - High (7.8)\n\nA use-after-free flaw was found in the X.Org X server and Xwayland in SyncChangeCounter(). A clie...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-50261/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-06-06T03:00:47.802933Z"}, {"uuid": "3e88fcdd-7241-4954-83b9-bdaf7564b61b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50261", "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": "2026-06-06T22:39:02.114440Z"}, {"uuid": "b87ad601-0516-472b-ab21-c1009c667f4a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50261", "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": "2026-06-06T22:39:03.714626Z"}, {"uuid": "533a1c5a-77c7-410b-a471-f51d1b3baf3e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50261", "type": "seen", "source": "https://bsky.app/profile/pmloik.bsky.social/post/3mno4rl7b6j2a", "content": "Top 3 CVE for last 7 days:\nCVE-2025-48595: 136 interactions\nCVE-2026-0257: 26 interactions\nCVE-2026-46243: 23 interactions\n\n\nTop 3 CVE for yesterday:\nCVE-2026-50259: 5 interactions\nCVE-2026-50260: 5 interactions\nCVE-2026-50261: 5 interactions\n", "creation_timestamp": "2026-06-07T02:30:58.956157Z"}, {"uuid": "6bcfda28-c299-487d-ac5d-dbb72d52e73f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50261", "type": "seen", "source": "https://bsky.app/profile/kriptabiz.bsky.social/post/3mqj3ckires2w", "content": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2026-50261: \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u043e\u0448\u0438\u0431\u043a\u0430 use-after-free \u0432 X.Org \u0438 Xwayland\n\n\n\nhttps://kripta.biz/posts/90ADA029-4824-481F-8A78-F7C98F9FFE9A", "creation_timestamp": "2026-07-13T06:36:57.048652Z"}, {"uuid": "a2ea8c73-4810-4d73-8cde-f8bfeaa3f8cd", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50261", "type": "seen", "source": "https://bsky.app/profile/kriptabiz.bsky.social/post/3mqjvwuhavd2i", "content": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2026-50261: \u0443\u0433\u0440\u043e\u0437\u0430 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0432 X.Org X server \u0438 Xwayland\n\n\n\nhttps://kripta.biz/posts/9F77FE12-B789-4528-8652-3C3801565C35", "creation_timestamp": "2026-07-13T14:33:35.163406Z"}, {"uuid": "16f69bc3-3977-4636-9378-4a26f2119a04", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50261", "type": "seen", "source": "https://bsky.app/profile/khesefxyz.bsky.social/post/3mqqrexvcll2i", "content": "\u05d4\u05e4\u05d2\u05d9\u05e2\u05d4 \u05d4\u05e7\u05e8\u05d9\u05d8\u05d9\u05ea CVE-2026-50261: \u05de\u05d4 \u05d6\u05d4, \u05db\u05d9\u05e6\u05d3 \u05d4\u05d9\u05d0 \u05e4\u05d5\u05d2\u05e2\u05ea \u05d5\u05de\u05d4 \u05e2\u05dc\u05d9\u05db\u05dd \u05dc\u05e2\u05e9\u05d5\u05ea\n\n\n\nhttps://khesef.xyz/posts/8D79695A-04D8-486C-B8BA-7A77891542F3", "creation_timestamp": "2026-07-16T08:00:38.166292Z"}]}