{"id":"UBUNTU-CVE-2023-39456","details":"Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames.This issue affects Apache Traffic Server: from 9.0.0 through 9.2.2. Users are recommended to upgrade to version 9.2.3, which fixes the issue.","modified":"2026-04-22T14:10:30.127663Z","published":"2023-10-17T07:15:00Z","upstream":["CVE-2023-39456"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-39456"},{"type":"REPORT","url":"https://lists.apache.org/thread/5py8h42mxfsn8l1wy6o41xwhsjlsd87q"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-39456"}],"affected":[{"package":{"name":"trafficserver","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/trafficserver@9.1.1+ds-2ubuntu0.1+esm1?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.1.1+ds-1.1","9.1.1+ds-2build1","9.1.1+ds-2ubuntu0.1~esm1","9.1.1+ds-2ubuntu0.1","9.1.1+ds-2ubuntu0.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"9.1.1+ds-2ubuntu0.1+esm1","binary_name":"trafficserver"},{"binary_name":"trafficserver-experimental-plugins","binary_version":"9.1.1+ds-2ubuntu0.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-39456.json"}}],"schema_version":"1.7.5","severity":[{"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":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}