{"id":"UBUNTU-CVE-2018-20615","details":"An out-of-bounds read issue was discovered in the HTTP/2 protocol decoder in HAProxy 1.8.x and 1.9.x through 1.9.0 which can result in a crash. The processing of the PRIORITY flag in a HEADERS frame requires 5 extra bytes, and while these bytes are skipped, the total frame length was not re-checked to make sure they were present in the frame.","modified":"2026-01-30T01:55:03.988451Z","published":"2018-12-31T00:00:00Z","related":["USN-3858-1"],"upstream":["CVE-2018-20615"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-20615"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3858-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-20615"}],"affected":[{"package":{"name":"haproxy","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/haproxy@1.8.8-1ubuntu0.3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.8-1ubuntu0.3"}]}],"versions":["1.7.9-1ubuntu1","1.7.9-1ubuntu2","1.8.4-1","1.8.7-1","1.8.8-1","1.8.8-1ubuntu0.1","1.8.8-1ubuntu0.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.8.8-1ubuntu0.3","binary_name":"haproxy"},{"binary_version":"1.8.8-1ubuntu0.3","binary_name":"vim-haproxy"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20615.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}