{"id":"CVE-2023-39456","aliases":["ALPINE-CVE-2023-39456","DEBIAN-CVE-2023-39456","EUVD-2023-43179","GHSA-fr7h-j3xj-fvvv","OESA-2025-1659","UBUNTU-CVE-2023-39456"],"status":"published","title":"Apache Traffic Server: Malformed http/2 frames can cause an abort","description":"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.\n\nUsers are recommended to upgrade to version 9.2.3, which fixes the issue.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.58286,"percentile":0.99107,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2023-10-17T06:58:17Z","modified":"2026-11-03T06:32:48Z","fixes":[{"ecosystem":"Alpine:v3.21","package":"trafficserver9","fixed_in":["9.2.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"trafficserver9","fixed_in":["9.2.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"trafficserver9","fixed_in":["9.2.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"trafficserver9","fixed_in":["9.2.3-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"trafficserver","fixed_in":["9.2.3+ds-1+deb12u1"],"sources":["osv"]},{"ecosystem":"openEuler:20.03-LTS-SP4","package":"trafficserver","fixed_in":["9.1.4-3.oe2003sp4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.21","package":"trafficserver9","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.2.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"trafficserver9","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.2.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"trafficserver9","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.2.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"trafficserver9","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.2.3-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"trafficserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.2.3+ds-1+deb12u1"}]}],"versions":["9.2.0+ds-2","9.2.0+ds-2+deb12u1","9.2.1+ds-1","9.2.2+ds-1","9.2.3+ds-1"]},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP4","package":"trafficserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.1.4-3.oe2003sp4"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"trafficserver","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"]}],"products":[{"vendor":"apache","product":"traffic_server"},{"vendor":"apache software foundation","product":"apache traffic server"},{"vendor":"fedoraproject","product":"fedora"}],"references":[{"url":"https://lists.apache.org/thread/5py8h42mxfsn8l1wy6o41xwhsjlsd87q","tags":["vendor-advisory","x_transferred","Mailing List","Vendor Advisory","advisory","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKQSIKIAT5TJ3WSLU3RDBQ35YX4GY4V3/","tags":["x_transferred","Mailing List","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JIZSEFC3YKCGABA2BZW6ZJRMDZJMB7PJ/","tags":["x_transferred","Mailing List","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VHUHTSXLXGXS7JYKBXTA3VINUPHTNGVU/","tags":["x_transferred","web"]},{"url":"https://www.debian.org/security/2023/dsa-5549","tags":["x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-39456","tags":["advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JIZSEFC3YKCGABA2BZW6ZJRMDZJMB7PJ"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VHUHTSXLXGXS7JYKBXTA3VINUPHTNGVU"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZKQSIKIAT5TJ3WSLU3RDBQ35YX4GY4V3"},{"url":"https://github.com/advisories/GHSA-fr7h-j3xj-fvvv"},{"url":"https://security.alpinelinux.org/vuln/CVE-2023-39456","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/39xxx/CVE-2023-39456.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-39456","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1659","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-39456","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-39456","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-39456","title":"Apache Traffic Server: Malformed http/2 frames can cause an abort","description":"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.\n\nUsers are recommended to upgrade to version 9.2.3, which fixes the issue.","status":"published","published":"2023-10-17T06:58:17.515Z","modified":"2025-06-12T15:10:53.829Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:33.462059Z"}],"euvd":[{"id":"EUVD-2023-43179","description":"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.\n\nUsers are recommended to upgrade to version 9.2.3, which fixes the issue.","status":"published","published":"2023-10-17T06:58:17Z","modified":"2025-06-12T15:10:53Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T20:32:24.598995Z"}],"ghsa":[{"id":"GHSA-fr7h-j3xj-fvvv","title":"Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames...","description":"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.\n\nUsers are recommended to upgrade to version 9.2.3, which fixes the issue.","status":"published","published":"2023-10-17T09:30:22Z","modified":"2025-02-13T18:33:03Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:59:56.485496Z"}],"nvd":[{"id":"CVE-2023-39456","description":"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.\n\nUsers are recommended to upgrade to version 9.2.3, which fixes the issue.","status":"published","published":"2023-10-17T07:15:09.737Z","modified":"2026-06-17T06:12:22.04Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:08:37.83429Z"}],"osv":[{"id":"ALPINE-CVE-2023-39456","description":"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.\n\nUsers are recommended to upgrade to version 9.2.3, which fixes the issue.","status":"published","published":"2023-10-17T07:15:09.737Z","modified":"2026-11-03T06:32:48.634114399Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T07:16:46.202932Z"},{"id":"CVE-2023-39456","title":"Apache Traffic Server: Malformed http/2 frames can cause an abort","description":"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.\n\nUsers are recommended to upgrade to version 9.2.3, which fixes the issue.","status":"published","published":"2023-10-17T06:58:17.515Z","modified":"2026-10-28T02:30:53.726537525Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:44:32.922049Z"},{"id":"DEBIAN-CVE-2023-39456","description":"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.","status":"published","published":"2023-10-17T07:15:09.737Z","modified":"2026-10-26T18:02:31.401331703Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:39.980321Z"},{"id":"OESA-2025-1659","title":"trafficserver security update","description":"Apache Traffic Server is an OpenSource HTTP / HTTPS / HTTP/2 / QUIC reverse, forward and transparent proxy and cache.\r\n\r\nSecurity Fix(es):\n\nImproper 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.\n\nUsers are recommended to upgrade to version 9.2.3, which fixes the issue.(CVE-2023-39456)","status":"published","published":"2025-06-20T11:08:45Z","modified":"2026-08-18T01:18:01.070115314Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:42.714349Z"},{"id":"UBUNTU-CVE-2023-39456","description":"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.","status":"published","published":"2023-10-17T07:15:00Z","modified":"2026-04-22T14:10:30.127663Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:54:21.882004Z"}]}}