<?xml version='1.0' encoding='UTF-8'?>
<?xml-stylesheet href="/static/style.xsl" type="text/xsl"?>
<rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/" version="2.0">
  <channel>
    <title>Most recent sightings.</title>
    <link>https://vulnerability.circl.lu</link>
    <description>Contains only the most 10 recent sightings.</description>
    <docs>http://www.rssboard.org/rss-specification</docs>
    <generator>python-feedgen</generator>
    <language>en</language>
    <lastBuildDate>Sun, 07 Jun 2026 07:55:02 +0000</lastBuildDate>
    <item>
      <title>37d5e185-60a1-4b3d-9021-472bb23ad28e</title>
      <link>https://vulnerability.circl.lu/sighting/37d5e185-60a1-4b3d-9021-472bb23ad28e/export</link>
      <description>{"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"}</description>
      <content:encoded>{"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"}</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/sighting/37d5e185-60a1-4b3d-9021-472bb23ad28e/export</guid>
      <pubDate>Fri, 05 Jun 2026 13:33:10 +0000</pubDate>
    </item>
    <item>
      <title>2a5ef3f6-7b7b-459d-9511-bcaa8f9e31f0</title>
      <link>https://vulnerability.circl.lu/sighting/2a5ef3f6-7b7b-459d-9511-bcaa8f9e31f0/export</link>
      <description>{"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"}</description>
      <content:encoded>{"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"}</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/sighting/2a5ef3f6-7b7b-459d-9511-bcaa8f9e31f0/export</guid>
      <pubDate>Sat, 06 Jun 2026 02:00:45 +0000</pubDate>
    </item>
    <item>
      <title>a642300c-3809-4494-a155-ebf4f9ef185d</title>
      <link>https://vulnerability.circl.lu/sighting/a642300c-3809-4494-a155-ebf4f9ef185d/export</link>
      <description>{"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"}</description>
      <content:encoded>{"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"}</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/sighting/a642300c-3809-4494-a155-ebf4f9ef185d/export</guid>
      <pubDate>Sat, 06 Jun 2026 18:17:27 +0000</pubDate>
    </item>
    <item>
      <title>23a0e3ec-94ec-485f-a2aa-05e4125c08a6</title>
      <link>https://vulnerability.circl.lu/sighting/23a0e3ec-94ec-485f-a2aa-05e4125c08a6/export</link>
      <description>{"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"}</description>
      <content:encoded>{"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"}</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/sighting/23a0e3ec-94ec-485f-a2aa-05e4125c08a6/export</guid>
      <pubDate>Sat, 06 Jun 2026 22:39:01 +0000</pubDate>
    </item>
    <item>
      <title>9e65ac8c-f441-4774-b7e3-775ce8ad859a</title>
      <link>https://vulnerability.circl.lu/sighting/9e65ac8c-f441-4774-b7e3-775ce8ad859a/export</link>
      <description>{"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"}</description>
      <content:encoded>{"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"}</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/sighting/9e65ac8c-f441-4774-b7e3-775ce8ad859a/export</guid>
      <pubDate>Sat, 06 Jun 2026 22:39:03 +0000</pubDate>
    </item>
  </channel>
</rss>
