{"vulnerability": "cve-2026-50258", "sightings": [{"uuid": "37d5e185-60a1-4b3d-9021-472bb23ad28e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50258", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mnkatubr7y2v", "content": "CVE-2026-50258 - Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: stack buffer overflow in xkb key types due to unchecked shift levels\nCVE ID : CVE-2026-50258\n \n Published : June 5, 2026, 12:16 p.m. | 16\u00a0minutes ago\n \n Description : A stack-based buffer overflow fla...", "creation_timestamp": "2026-06-05T13:33:10.640785Z"}, {"uuid": "2a5ef3f6-7b7b-459d-9511-bcaa8f9e31f0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50258", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mnlkmlszlr2l", "content": "\ud83d\udfe0 CVE-2026-50258 - High (7.8)\n\nA stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. The X server has...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-50258/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-06-06T02:00:45.649901Z"}, {"uuid": "a642300c-3809-4494-a155-ebf4f9ef185d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50258", "type": "seen", "source": "https://bsky.app/profile/hugovalters.bsky.social/post/3mnnb746dt32z", "content": "CVE-2026-50258 - Stack buffer overflow in X.org X server and Xwayland. Incomplete fix for CVE-2025-26597 allows crash or privilege escalation via excessive shift levels. CVSS 7.8. No patch available. Mitigate immediately. #CVE #Xorg #infosec\n\nhttps://www.valtersit.com/cve/CVE-2026-50258/", "creation_timestamp": "2026-06-06T18:17:27.234985Z"}, {"uuid": "23a0e3ec-94ec-485f-a2aa-05e4125c08a6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50258", "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": "2026-06-06T22:39:01.671702Z"}, {"uuid": "9e65ac8c-f441-4774-b7e3-775ce8ad859a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50258", "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": "2026-06-06T22:39:03.225088Z"}, {"uuid": "01c04ae8-4c96-403e-abc7-86531a626be9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50258", "type": "seen", "source": "https://bsky.app/profile/kriptabiz.bsky.social/post/3mqj2zecry22f", "content": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2026-50258 \u0432 X.Org X server \u0438 Xwayland: \u0443\u0433\u0440\u043e\u0437\u0430 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438 \u0441\u043f\u043e\u0441\u043e\u0431\u044b \u0437\u0430\u0449\u0438\u0442\u044b\n\n\n\nhttps://kripta.biz/posts/E4E732FE-98AA-457C-BB4F-BCC0A6A0D92B", "creation_timestamp": "2026-07-13T06:31:48.052507Z"}, {"uuid": "0e2ef7b3-24c4-4b73-a323-7589930c003f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50258", "type": "seen", "source": "https://bsky.app/profile/kriptabiz.bsky.social/post/3mqjvknppmf2a", "content": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2026-50258: \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/0DD7DE5A-7462-4B1A-BFA5-FAEA8A654938", "creation_timestamp": "2026-07-13T14:26:45.517973Z"}, {"uuid": "5cd04bf2-6fbe-4419-82ce-32a24cb8b9d9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-50258", "type": "seen", "source": "https://bsky.app/profile/khesefxyz.bsky.social/post/3mqqredfwoq2n", "content": "\u05e4\u05d2\u05d9\u05e2\u05d4 \u05e7\u05e9\u05d4 \u05d1\u05de\u05e2\u05e8\u05db\u05ea X.Org: \u05de\u05d4 \u05d6\u05d4 CVE-2026-50258 \u05d5\u05d0\u05d9\u05da \u05d6\u05d4 \u05de\u05e9\u05e4\u05d9\u05e2 \u05e2\u05dc\u05da?\n\n\n\nhttps://khesef.xyz/posts/E4A3ABE4-806B-4A9C-BEF8-33BB104F7002", "creation_timestamp": "2026-07-16T08:00:16.453560Z"}]}