{"vulnerability": "CVE-2026-55999", "sightings": [{"uuid": "c7af2f4c-997e-4ca5-ac7f-456f40d5f2af", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55999", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mq4vbsaacp2g", "content": "CVE-2026-55999 - xorg-server / xwayland glamor font atlas Heap Buffer Overflow\nCVE ID : CVE-2026-55999\n \n Published : July 8, 2026, 8:07 a.m. | 1\u00a0hour, 7\u00a0minutes ago\n \n Description : Local attackers with a X connection able to provide PCX fonts to the X \nserver xorg-server bef...", "creation_timestamp": "2026-07-08T10:17:14.858327Z"}, {"uuid": "3edc6f3d-3416-426e-a236-34b6201f737c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-55999", "type": "seen", "source": "https://www.acn.gov.it/portale/w/rilevate-vulnerabilita-in-componenti-x.org", "content": "", "creation_timestamp": "2026-07-08T16:45:33.247886Z"}, {"uuid": "b24d21ab-bb84-4067-ae23-9d09173810e9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55999", "type": "seen", "source": "https://bsky.app/profile/slackers.it/post/3mq6dedr4k22i", "content": "11/13\n\nFor more information, see:\n    https://lists.x.org/archives/xorg/2026-July/062255.html\n    https://www.cve.org/CVERecord?id=CVE-2026-55999\n    https://www.cve.org/CVERecord?id=CVE-2026-56000\n  (* Security fix *)\nx/xorg-server-xephyr-21.1.24-x86_64-1.txz:  Upgraded.", "creation_timestamp": "2026-07-09T00:01:49.275205Z"}, {"uuid": "78affdf4-e7d2-4ce5-8f01-983381f00aa6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55999", "type": "seen", "source": "https://bsky.app/profile/slackers.it/post/3mq6defxija2a", "content": "13/13\n\nGLX contextTags Use-After-Free in CommonMakeCurrent().\n  For more information, see:\n    https://lists.x.org/archives/xorg/2026-July/062255.html\n    https://www.cve.org/CVERecord?id=CVE-2026-55999\n    https://www.cve.org/CVERecord?id=CVE-2026-56000\n  (* Security fix *)", "creation_timestamp": "2026-07-09T00:01:51.990759Z"}, {"uuid": "b1c061d2-6bf5-4226-9e19-8018dc67f5aa", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55999", "type": "seen", "source": "https://bsky.app/profile/slackers.it/post/3mqb2jbxzsj2l", "content": "7/7\n\nhttps://www.cve.org/CVERecord?id=CVE-2026-55999\n    https://www.cve.org/CVERecord?id=CVE-2026-56000\n  (* Security fix *)", "creation_timestamp": "2026-07-10T02:01:31.060036Z"}, {"uuid": "ef62befb-41fa-44c4-b173-9b4922f45f35", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55999", "type": "seen", "source": "https://bsky.app/profile/xlibredev.bsky.social/post/3mrnelkckbc2g", "content": "We released the #XLibre Xserver 25.0.0.25, 25.1.9, and beta 25.2.2 during the last 4 days containing #security fixes for #CVE-2026-55999 and CVE-2026-56000. We recommend everyone update ASAP.\n\ngithub.com/X11Libre/xse...\ngithub.com/X11Libre/xse...\ngithub.com/X11Libre/xse...", "creation_timestamp": "2026-07-27T16:58:59.590993Z"}, {"uuid": "0b948bb0-1917-4b0f-a1c0-df2b2ef15904", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55999", "type": "seen", "source": "https://bsky.app/profile/pmloik.bsky.social/post/3mrom4c6q752u", "content": "Top 3 CVE for last 7 days:\nCVE-2026-50522: 42 interactions\nCVE-2026-64600: 14 interactions\nCVE-2026-63030: 12 interactions\n\n\nTop 3 CVE for yesterday:\nCVE-2026-55999: 6 interactions\nCVE-2026-56000: 6 interactions\nCVE-2026-46331: 2 interactions\n", "creation_timestamp": "2026-07-28T04:46:10.538827Z"}]}