{"id":"UBUNTU-CVE-2026-23918","details":"Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.","modified":"2026-06-30T18:16:26.205502383Z","published":"2026-05-05T00:00:00Z","related":["USN-8239-1"],"upstream":["CVE-2026-23918"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-23918"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-23918"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8239-1"}],"affected":[{"package":{"name":"apache2","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/apache2?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.66-2ubuntu2.1"}]}],"versions":["2.4.64-1ubuntu3","2.4.65-3ubuntu1","2.4.66-2ubuntu1","2.4.66-2ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"apache2","binary_version":"2.4.66-2ubuntu2.1"},{"binary_name":"apache2-bin","binary_version":"2.4.66-2ubuntu2.1"},{"binary_name":"apache2-data","binary_version":"2.4.66-2ubuntu2.1"},{"binary_name":"apache2-suexec-custom","binary_version":"2.4.66-2ubuntu2.1"},{"binary_name":"apache2-suexec-pristine","binary_version":"2.4.66-2ubuntu2.1"},{"binary_name":"apache2-utils","binary_version":"2.4.66-2ubuntu2.1"}],"availability":"No subscription required","priority_reason":"This a potential remote code execution issue"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-23918.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}]}