{"schemaVersion":3,"id":"CVE-2007-1398","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The frag3 preprocessor in Snort 2.6.1.1, 2.6.1.2, and 2.7.0 beta, when configured for inline use on Linux without the ip_conntrack module loaded, allows remote attackers to cause a denial of service (segmentation fault and application crash) via certain UDP packets produced by send_morefrag_packet and send_overlap_packet.","dates":{"published":"2007-03-10T22:00:00.000Z","modified":"2024-08-07T12:50:35.368Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.1,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.1,"severity":"high","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.05852,"percentile":0.93112,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0.2790000000000001,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.05573},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.05852,"percentile":0.93112}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.05573,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.05852,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.05852,"percentile":0.93112}]},"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":[{"id":"3434","name":"Snort 2.6.1.1/2.6.1.2/2.7.0 - 'fragementation' Remote Denial of Service","source":"exploit-database","url":"https://www.exploit-db.com/exploits/3434","maturity":"poc","reliabilityScore":0.8,"verified":true,"type":"dos","platforms":["multiple"],"requiresAuth":null,"exploitdb":{"verified":true,"type":"dos","platform":"multiple","file":"exploits/multiple/dos/3434.c","codes":["OSVDB-33024","CVE-2007-1398"]},"metasploit":null}],"exploitCount":1,"weaknesses":[],"affected":[{"vendor":"snort","product":"snort","name":"snort","label":"snort","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2.6.1.1","noFixRecorded":false,"fixedIn":null},{"text":"2.6.1.2","noFixRecorded":false,"fixedIn":null},{"text":"2.7_beta1","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.6.1.1 | 2.6.1.2 | 2.7_beta1","eol":null,"hubHref":"/vendor/snort/snort"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.osvdb.org/33024","label":"www.osvdb.org/33024","hostname":"www.osvdb.org","tags":["VDB Entry","X Refsource OSVDB"]},{"url":"http://www.snort.org/docs/release_notes/release_notes_2613.txt","label":"www.snort.org/docs/release_notes/release_notes_2613.txt","hostname":"www.snort.org","tags":["X Refsource CONFIRM"]},{"url":"https://www.exploit-db.com/exploits/3434","label":"www.exploit-db.com/exploits/3434","hostname":"www.exploit-db.com","tags":["Exploit","X Refsource EXPLOIT DB"]},{"url":"http://www.securityfocus.com/bid/22872","label":"www.securityfocus.com/bid/22872","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2007-03-10T22:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-07T12:50:35.368Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":40,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T18:54:01.620Z","stale":false,"partial":false}}