{"id":"USN-6505-1","summary":"nghttp2 vulnerability","details":"It was discovered that nghttp2 incorrectly handled request cancellation. A\nremote attacker could possibly use this issue to cause nghttp2 to consume\nresources, leading to a denial of service.\n","modified":"2026-04-22T11:10:11.652134Z","published":"2023-11-22T14:45:49Z","related":["UBUNTU-CVE-2023-44487"],"upstream":["CVE-2023-44487","UBUNTU-CVE-2023-44487"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6505-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-44487"}],"affected":[{"package":{"name":"nghttp2","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/nghttp2@1.40.0-1ubuntu0.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.40.0-1ubuntu0.2"}]}],"versions":["1.39.2-1","1.40.0-1","1.40.0-1build1","1.40.0-1ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libnghttp2-14","binary_version":"1.40.0-1ubuntu0.2"},{"binary_name":"nghttp2","binary_version":"1.40.0-1ubuntu0.2"},{"binary_name":"nghttp2-client","binary_version":"1.40.0-1ubuntu0.2"},{"binary_name":"nghttp2-proxy","binary_version":"1.40.0-1ubuntu0.2"},{"binary_name":"nghttp2-server","binary_version":"1.40.0-1ubuntu0.2"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}],"id":"CVE-2023-44487"}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6505-1.json"}},{"package":{"name":"nghttp2","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/nghttp2@1.43.0-1ubuntu0.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.43.0-1ubuntu0.1"}]}],"versions":["1.43.0-1","1.43.0-1build1","1.43.0-1build2","1.43.0-1build3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libnghttp2-14","binary_version":"1.43.0-1ubuntu0.1"},{"binary_name":"nghttp2","binary_version":"1.43.0-1ubuntu0.1"},{"binary_name":"nghttp2-client","binary_version":"1.43.0-1ubuntu0.1"},{"binary_name":"nghttp2-proxy","binary_version":"1.43.0-1ubuntu0.1"},{"binary_name":"nghttp2-server","binary_version":"1.43.0-1ubuntu0.1"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}],"id":"CVE-2023-44487"}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6505-1.json"}}],"schema_version":"1.7.5"}