{"id":"DEBIAN-CVE-2023-43786","details":"A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function. This flaw allows a local user to consume all available system resources and cause a denial of service condition.","modified":"2026-09-15T09:02:45.841274690Z","published":"2023-10-10T13:15:22.023Z","upstream":["CVE-2023-43786"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-43786"}],"affected":[{"package":{"name":"libx11","ecosystem":"Debian:12","purl":"pkg:deb/debian/libx11?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.8.4-2+deb12u2"}]}],"versions":["2:1.8.4-2","2:1.8.4-2+deb12u1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-43786.json"}},{"package":{"name":"libx11","ecosystem":"Debian:13","purl":"pkg:deb/debian/libx11?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.8.7-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-43786.json"}},{"package":{"name":"libx11","ecosystem":"Debian:14","purl":"pkg:deb/debian/libx11?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.8.7-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-43786.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}