{"id":"CVE-2024-32663","aliases":["ALPINE-CVE-2024-32663","DEBIAN-CVE-2024-32663","DLA-4103-1","EUVD-2024-30454","GHSA-9jxm-qw9v-266r","UBUNTU-CVE-2024-32663","openSUSE-SU-2025:15394-1"],"status":"published","title":"Suricata 's http2 parser contains an improper compressed header handling can lead to resource starvation","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, a small amount of HTTP/2 traffic can lead to Suricata using a large amount of memory. The issue has been addressed in Suricata 7.0.5 and 6.0.19. Workarounds include disabling the HTTP/2 parser and reducing `app-layer.protocols.http2.max-table-size` value (default is 65536).","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":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00956,"percentile":0.61677,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400","CWE-770"],"published":"2024-05-07T14:48:20Z","modified":"2026-11-03T06:32:07Z","fixes":[{"ecosystem":"Alpine:v3.20","package":"suricata","fixed_in":["7.0.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"suricata","fixed_in":["7.0.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"suricata","fixed_in":["7.0.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"suricata","fixed_in":["7.0.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"suricata","fixed_in":["7.0.6-r0"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"suricata","fixed_in":["1:7.0.5-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"suricata","fixed_in":["1:7.0.5-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.20","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"7.0.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"7.0.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"7.0.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"7.0.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"7.0.6-r0"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:7.0.5-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:7.0.5-1"}]}]},{"source":"osv","ecosystem":"Debian:11","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:6.0.1-3+deb11u1"}]}],"versions":["1:6.0.1-3"],"bundled":7},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.8-1build1","2.0.9-1","2.0.10-1","2.0.10-2","2.0.11-1","3.0-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2-2ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:6.0.4-2","1:6.0.4-3"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:7.0.0-2","1:7.0.2-1","1:7.0.2-1build1","1:7.0.3-1build1","1:7.0.3-1build3"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:7.0.8-2","1:7.0.10-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:8.0.3-1","1:8.0.5-1","1:8.0.6-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:7.0.10-1","1:8.0.1-3build1","1:8.0.2-1","1:8.0.2-1build1","1:8.0.3-1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.0-1.1"}]}],"bundled":30}],"products":[{"vendor":"oisf","product":"suricata"}],"references":[{"url":"https://github.com/OISF/suricata/security/advisories/GHSA-9jxm-qw9v-266r","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://github.com/OISF/suricata/commit/08d93f7c3762781b743f88f9fdc4389eb9c3eb64","tags":["x_refsource_MISC","x_transferred","Patch","fix","report"]},{"url":"https://github.com/OISF/suricata/commit/c0af92295e833d1db29b184d63cd3b829451d7fd","tags":["x_refsource_MISC","x_transferred","Patch","fix","report"]},{"url":"https://github.com/OISF/suricata/commit/d24b37a103c04bb2667e449e080ba4c8e56bb019","tags":["x_refsource_MISC","x_transferred","Patch","fix","report"]},{"url":"https://github.com/OISF/suricata/commit/e68ec4b227d19498f364a41eb25d3182f0383ca5","tags":["x_refsource_MISC","x_transferred","Patch","fix","report"]},{"url":"https://redmine.openinfosecfoundation.org/issues/6892","tags":["x_refsource_MISC","x_transferred","Issue Tracking","web","report"]},{"url":"https://redmine.openinfosecfoundation.org/issues/6900","tags":["x_refsource_MISC","x_transferred","Issue Tracking","web","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00029.html","tags":["web"]},{"url":"https://security.alpinelinux.org/vuln/CVE-2024-32663","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/32xxx/CVE-2024-32663.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-32663","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2024-32663","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2024-32663","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-32663","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2016-10728","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-14568","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-10050","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-10053","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-23835","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-23836","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-23839","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-24568","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-32663","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-32664","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-32867","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-37151","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-38534","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-38535","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-38536","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45795","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45796","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45797","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-47187","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-47188","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-47522","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-55605","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-55626","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-55627","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-55628","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-55629","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-29915","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-29916","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-29917","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-29918","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2024-32663","title":"Suricata 's http2 parser contains an improper compressed header handling can lead to resource starvation","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, a small amount of HTTP/2 traffic can lead to Suricata using a large amount of memory. The issue has been addressed in Suricata 7.0.5 and 6.0.19. Workarounds include disabling the HTTP/2 parser and reducing `app-layer.protocols.http2.max-table-size` value (default is 65536).","status":"published","published":"2024-05-07T14:48:20.366Z","modified":"2025-11-03T19:29:48.378Z","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":"cna"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T14:34:16.007021Z"}],"euvd":[{"id":"EUVD-2024-30454","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, a small amount of HTTP/2 traffic can lead to Suricata using a large amount of memory. The issue has been addressed in Suricata 7.0.5 and 6.0.19. Workarounds include disabling the HTTP/2 parser and reducing `app-layer.protocols.http2.max-table-size` value (default is 65536).","status":"published","published":"2024-05-07T14:48:20Z","modified":"2025-11-03T19:29:48Z","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":"2026-11-02T19:49:33.639996Z"}],"nvd":[{"id":"CVE-2024-32663","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, a small amount of HTTP/2 traffic can lead to Suricata using a large amount of memory. The issue has been addressed in Suricata 7.0.5 and 6.0.19. Workarounds include disabling the HTTP/2 parser and reducing `app-layer.protocols.http2.max-table-size` value (default is 65536).","status":"published","published":"2024-05-07T15:15:08.713Z","modified":"2026-06-17T07:30:11.063Z","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":"secondary"},{"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"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T14:09:57.497105Z"}],"osv":[{"id":"ALPINE-CVE-2024-32663","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, a small amount of HTTP/2 traffic can lead to Suricata using a large amount of memory. The issue has been addressed in Suricata 7.0.5 and 6.0.19. Workarounds include disabling the HTTP/2 parser and reducing `app-layer.protocols.http2.max-table-size` value (default is 65536).","status":"published","published":"2024-05-07T15:15:08.713Z","modified":"2026-11-03T06:32:07.199616266Z","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":"2026-11-03T07:18:15.355745Z"},{"id":"CVE-2024-32663","title":"Suricata 's http2 parser contains an improper compressed header handling can lead to resource starvation","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, a small amount of HTTP/2 traffic can lead to Suricata using a large amount of memory. The issue has been addressed in Suricata 7.0.5 and 6.0.19. Workarounds include disabling the HTTP/2 parser and reducing `app-layer.protocols.http2.max-table-size` value (default is 65536).","status":"published","published":"2024-05-07T14:48:20.366Z","modified":"2026-10-28T02:31:12.338957378Z","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-400","CWE-770"],"updated_at":"2026-11-02T15:44:40.391953Z"},{"id":"DEBIAN-CVE-2024-32663","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, a small amount of HTTP/2 traffic can lead to Suricata using a large amount of memory. The issue has been addressed in Suricata 7.0.5 and 6.0.19. Workarounds include disabling the HTTP/2 parser and reducing `app-layer.protocols.http2.max-table-size` value (default is 65536).","status":"published","published":"2024-05-07T15:15:08.713Z","modified":"2026-11-02T12:02:30.606253067Z","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":"2026-11-02T15:45:42.530184Z"},{"id":"UBUNTU-CVE-2024-32663","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, a small amount of HTTP/2 traffic can lead to Suricata using a large amount of memory. The issue has been addressed in Suricata 7.0.5 and 6.0.19. Workarounds include disabling the HTTP/2 parser and reducing `app-layer.protocols.http2.max-table-size` value (default is 65536).","status":"published","published":"2024-05-07T15:15:00Z","modified":"2026-10-17T12:56:36.331000516Z","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":"2026-11-02T16:54:48.333535Z"},{"id":"DLA-4103-1","title":"suricata - security update","status":"published","published":"2025-03-31T00:00:00Z","modified":"2026-03-09T01:18:14.108597Z","updated_at":"2026-11-02T15:46:12.7027Z"},{"id":"openSUSE-SU-2025:15394-1","title":"libsuricata8_0_0-8.0.0-1.1 on GA media","description":"These are all security issues fixed in the libsuricata8_0_0-8.0.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-07-28T00:00:00Z","modified":"2026-03-23T04:53:43.337191Z","updated_at":"2026-11-02T16:58:37.810934Z"}]}}