{"schemaVersion":3,"id":"CVE-2024-23839","aliases":["UBUNTU-CVE-2024-23839","DEBIAN-CVE-2024-23839"],"status":"published","duplicateOf":null,"title":null,"description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine.  Prior to 7.0.3, specially crafted traffic can cause a heap use after free if the ruleset uses the http.request_header or http.response_header keyword.  The vulnerability has been patched in 7.0.3.  To work around the vulnerability, avoid the http.request_header and http.response_header keywords.","dates":{"published":"2024-02-26T15:48:16.120Z","modified":"2025-02-13T17:39:56.397Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.1,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.1,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":8.1,"severity":"high","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":5.6,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":8.1,"severity":"high","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":5.6,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":8.1,"severity":"high","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00784,"percentile":0.55529,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.00784},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00784,"percentile":0.55529}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00784,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00784,"percentile":0.55529}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-416","name":"Use After Free","description":"The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory \"belongs\" to the code that operates on the new pointer.","type":"weakness","status":"Stable","abstraction":"Variant","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/416.html"}],"affected":[{"vendor":"debian","product":"suricata","name":"suricata","label":"suricata","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/suricata","purlType":"deb","versions":[{"text":"< 1:7.0.3-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:7.0.3-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"suricata","name":"suricata","label":"suricata","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/suricata","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"fedoraproject","product":"fedora","name":"fedora","label":"fedora","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"38","noFixRecorded":false,"fixedIn":null},{"text":"39","noFixRecorded":false,"fixedIn":null}],"versionsText":"38 | 39","eol":{"isEol":true,"eolDate":"2024-05-21T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"38","label":"38","eolFrom":"2024-05-21T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":null},"product":{"name":"fedora","label":"Fedora Linux","category":"os"}},"hubHref":"/vendor/fedoraproject/fedora"},{"vendor":"oisf","product":"suricata","name":"suricata","label":"suricata","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 7.0.0, < 7.0.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 7.0.0, < 7.0.3","eol":null,"hubHref":"/vendor/oisf/suricata"}],"affectedCount":4,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://github.com/OISF/suricata/security/advisories/GHSA-qxj6-hr2p-mmc7","label":"github.com/OISF/suricata/security/advisories/GHSA-qxj6-hr2p-mmc7","hostname":"github.com","tags":["X Refsource CONFIRM","REPORT","Mitigation","Vendor Advisory"]},{"url":"https://github.com/OISF/suricata/commit/cd731fcaf42e5f7078c9be643bfa0cee2ad53e8f","label":"github.com/OISF/suricata/commit/cd731fcaf42e5f7078c9be643bfa0cee2ad53e8f","hostname":"github.com","tags":["X Refsource MISC","REPORT","Patch"]},{"url":"https://redmine.openinfosecfoundation.org/issues/6657","label":"redmine.openinfosecfoundation.org/issues/6657","hostname":"redmine.openinfosecfoundation.org","tags":["X Refsource MISC","REPORT","Issue Tracking"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GOCOBFUTIFHOP2PZOH4ENRFXRBHIRKK4/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["Mailing List"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZXJIT7R53ZXROO3I256RFUWTIW4ECK6P/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["Mailing List"]},{"url":"https://ubuntu.com/security/CVE-2024-23839","label":"ubuntu.com/security/CVE-2024-23839","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-23839","label":"www.cve.org/CVERecord?id=CVE-2024-23839","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2024-23839","label":"security-tracker.debian.org/tracker/CVE-2024-23839","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["OPENSUSE-SU-2025:15394-1"],"duplicates":[],"related":["OPENSUSE-SU-2025:15394-1"]},"timeline":[{"kind":"published","date":"2024-02-26T15:48:16.120Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2025-02-13T17:39:56.397Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":33,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T04:08:17.171Z","stale":false,"partial":false}}