{"schemaVersion":3,"id":"CVE-2007-3946","aliases":["DEBIAN-CVE-2007-3946"],"status":"published","duplicateOf":null,"title":null,"description":"mod_auth (http_auth.c) in lighttpd before 1.4.16 allows remote attackers to cause a denial of service (daemon crash) via unspecified vectors involving (1) a memory leak, (2) use of md5-sess without a cnonce, (3) base64 encoded strings, and (4) trailing whitespace in the Auth-Digest header.","dates":{"published":"2007-07-24T00:00:00.000Z","modified":"2024-08-07T14:37:05.572Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.4,"severity":"medium","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:P/I:N/A:P","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":6.4,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:P/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.03422,"percentile":0.88829,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.03422},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.03422,"percentile":0.88829}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.03422,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.03422,"percentile":0.88829}]},"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":[],"affected":[{"vendor":"debian","product":"lighttpd","name":"lighttpd","label":"lighttpd","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/lighttpd","purlType":"deb","versions":[{"text":"< 1.4.16-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.4.16-1","eol":null,"hubHref":null},{"vendor":"lighttpd","product":"lighttpd","name":"lighttpd","label":"lighttpd","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 1.4.15","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 1.4.15","eol":null,"hubHref":"/vendor/lighttpd/lighttpd"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://secunia.com/advisories/26158","label":"secunia.com/advisories/26158","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Vendor Advisory"]},{"url":"http://osvdb.org/38314","label":"osvdb.org/38314","hostname":"osvdb.org","tags":["VDB Entry","X Refsource OSVDB"]},{"url":"http://www.vupen.com/english/advisories/2007/2585","label":"www.vupen.com/english/advisories/2007/2585","hostname":"www.vupen.com","tags":["VDB Entry","X Refsource VUPEN"]},{"url":"https://issues.rpath.com/browse/RPL-1550","label":"issues.rpath.com/browse/RPL-1550","hostname":"issues.rpath.com","tags":["X Refsource CONFIRM"]},{"url":"http://secunia.com/advisories/26130","label":"secunia.com/advisories/26130","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Patch"]},{"url":"http://osvdb.org/38316","label":"osvdb.org/38316","hostname":"osvdb.org","tags":["VDB Entry","X Refsource OSVDB"]},{"url":"http://www.securityfocus.com/archive/1/474131/100/0/threaded","label":"www.securityfocus.com/archive/1/474131/100/0/threaded","hostname":"www.securityfocus.com","tags":["Mailing List","X Refsource BUGTRAQ"]},{"url":"http://www.securityfocus.com/bid/24967","label":"www.securityfocus.com/bid/24967","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]},{"url":"http://osvdb.org/38317","label":"osvdb.org/38317","hostname":"osvdb.org","tags":["VDB Entry","X Refsource OSVDB"]},{"url":"http://secunia.com/advisories/26593","label":"secunia.com/advisories/26593","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA"]},{"url":"http://www.debian.org/security/2007/dsa-1362","label":"www.debian.org/security/2007/dsa-1362","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN"]},{"url":"http://trac.lighttpd.net/trac/changeset/1875","label":"trac.lighttpd.net/trac/changeset/1875","hostname":"trac.lighttpd.net","tags":["X Refsource MISC"]},{"url":"http://security.gentoo.org/glsa/glsa-200708-11.xml","label":"security.gentoo.org/glsa/glsa-200708-11.xml","hostname":"security.gentoo.org","tags":["Vendor Advisory","X Refsource GENTOO"]},{"url":"http://trac.lighttpd.net/trac/browser/branches/lighttpd-1.4.x/NEWS?rev=1875","label":"trac.lighttpd.net/trac/browser/branches/lighttpd-1.4.x/NEWS?rev=1875","hostname":"trac.lighttpd.net","tags":["X Refsource CONFIRM"]},{"url":"https://issues.rpath.com/browse/RPL-1554","label":"issues.rpath.com/browse/RPL-1554","hostname":"issues.rpath.com","tags":["X Refsource CONFIRM"]},{"url":"http://www.novell.com/linux/security/advisories/2007_15_sr.html","label":"www.novell.com/linux/security/advisories/2007_15_sr.html","hostname":"www.novell.com","tags":["Vendor Advisory","X Refsource SUSE"]},{"url":"http://osvdb.org/38315","label":"osvdb.org/38315","hostname":"osvdb.org","tags":["VDB Entry","X Refsource OSVDB"]},{"url":"http://secunia.com/advisories/26505","label":"secunia.com/advisories/26505","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2007-3946","label":"security-tracker.debian.org/tracker/CVE-2007-3946","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["DSA-1362-1"],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2007-07-24T00:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-07T14:37:05.572Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":26,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T13:58:52.253Z","stale":false,"partial":false}}