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    <title>Most recent sightings.</title>
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      <content:encoded>{"uuid": "91119429-caee-45e9-8d76-e126fc5e9872", "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/ferramentaslinux.bsky.social/post/3mpbs6pffas2z", "content": "  DSA-6370-1: 9 CVEs cr\u00edticos no xorg-server (CVE-2026-50256 a -50264) permitem escalonamento de privil\u00e9gio em X11. Atualize para 2:21.1.16-1.3+deb13u3 no Debian trixie. Reinicie o servidor X ap\u00f3s o patch.  Saiba mais: -&amp;gt; tinyurl.com/5f8mytj2  #Debian", "creation_timestamp": "2026-06-27T15:39:55.180537Z"}</content:encoded>
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      <pubDate>Sat, 27 Jun 2026 15:39:55 +0000</pubDate>
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      <title>7d8901de-4b5f-4eab-bcbf-d9d216bb0e39</title>
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      <content:encoded>{"uuid": "7d8901de-4b5f-4eab-bcbf-d9d216bb0e39", "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/ferramentaslinux.bsky.social/post/3mpbs6ot6ak2z", "content": "  DSA-6370-1: 9 CVEs cr\u00edticos no xorg-server (CVE-2026-50256 a -50264) permitem escalonamento de privil\u00e9gio em X11. Atualize para 2:21.1.16-1.3+deb13u3 no Debian trixie. Reinicie o servidor X ap\u00f3s o patch.  Saiba mais: -&amp;gt; tinyurl.com/5f8mytj2  #Debian", "creation_timestamp": "2026-06-27T15:39:54.736284Z"}</content:encoded>
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      <pubDate>Sat, 27 Jun 2026 15:39:54 +0000</pubDate>
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      <title>a2642ddf-db40-42e8-95a3-73b2cb284dec</title>
      <link>https://vulnerability.circl.lu/sighting/a2642ddf-db40-42e8-95a3-73b2cb284dec/export</link>
      <description>{"uuid": "a2642ddf-db40-42e8-95a3-73b2cb284dec", "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/ferramentaslinux.bsky.social/post/3mol2inuvzs2b", "content": " \ud83d\udee1\ufe0f Oracle Linux 8 com Xwayland? Nove CVEs cr\u00edticas (CVE-2026-50256 a 50264) afetam vers\u00f5es anteriores a 21.1.3-20. Script de corre\u00e7\u00e3o, comandos de verifica\u00e7\u00e3o e mitiga\u00e7\u00e3o alternativa no guia completo.  Saiba mais: -&amp;gt; tinyurl.com/52f984h6 #Oracle", "creation_timestamp": "2026-06-18T14:37:27.467716Z"}</description>
      <content:encoded>{"uuid": "a2642ddf-db40-42e8-95a3-73b2cb284dec", "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/ferramentaslinux.bsky.social/post/3mol2inuvzs2b", "content": " \ud83d\udee1\ufe0f Oracle Linux 8 com Xwayland? Nove CVEs cr\u00edticas (CVE-2026-50256 a 50264) afetam vers\u00f5es anteriores a 21.1.3-20. Script de corre\u00e7\u00e3o, comandos de verifica\u00e7\u00e3o e mitiga\u00e7\u00e3o alternativa no guia completo.  Saiba mais: -&amp;gt; tinyurl.com/52f984h6 #Oracle", "creation_timestamp": "2026-06-18T14:37:27.467716Z"}</content:encoded>
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      <pubDate>Thu, 18 Jun 2026 14:37:27 +0000</pubDate>
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      <description>{"uuid": "60bb7ef1-e248-4475-883c-ae97559cd3af", "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/ferramentaslinux.bsky.social/post/3mol2imredk2b", "content": " \ud83d\udee1\ufe0f Oracle Linux 8 com Xwayland? Nove CVEs cr\u00edticas (CVE-2026-50256 a 50264) afetam vers\u00f5es anteriores a 21.1.3-20. Script de corre\u00e7\u00e3o, comandos de verifica\u00e7\u00e3o e mitiga\u00e7\u00e3o alternativa no guia completo.  Saiba mais: -&amp;gt; tinyurl.com/52f984h6 #Oracle", "creation_timestamp": "2026-06-18T14:37:24.318057Z"}</description>
      <content:encoded>{"uuid": "60bb7ef1-e248-4475-883c-ae97559cd3af", "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/ferramentaslinux.bsky.social/post/3mol2imredk2b", "content": " \ud83d\udee1\ufe0f Oracle Linux 8 com Xwayland? Nove CVEs cr\u00edticas (CVE-2026-50256 a 50264) afetam vers\u00f5es anteriores a 21.1.3-20. Script de corre\u00e7\u00e3o, comandos de verifica\u00e7\u00e3o e mitiga\u00e7\u00e3o alternativa no guia completo.  Saiba mais: -&amp;gt; tinyurl.com/52f984h6 #Oracle", "creation_timestamp": "2026-06-18T14:37:24.318057Z"}</content:encoded>
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      <pubDate>Thu, 18 Jun 2026 14:37:24 +0000</pubDate>
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      <description>{"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"}</description>
      <content:encoded>{"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"}</content:encoded>
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      <pubDate>Sat, 06 Jun 2026 22:39:02 +0000</pubDate>
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      <title>6752fedf-a68e-40eb-9e02-44b6ebbc758a</title>
      <link>https://vulnerability.circl.lu/sighting/6752fedf-a68e-40eb-9e02-44b6ebbc758a/export</link>
      <description>{"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"}</description>
      <content:encoded>{"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"}</content:encoded>
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      <pubDate>Sat, 06 Jun 2026 22:39:01 +0000</pubDate>
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      <description>{"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"}</description>
      <content:encoded>{"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"}</content:encoded>
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      <pubDate>Sat, 06 Jun 2026 05:00:23 +0000</pubDate>
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      <title>bd53bfcd-1873-4760-9aac-17bb06b99929</title>
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      <description>{"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"}</description>
      <content:encoded>{"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"}</content:encoded>
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      <pubDate>Fri, 05 Jun 2026 12:58:27 +0000</pubDate>
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