{"schemaVersion":3,"id":"CVE-2009-4835","aliases":["DEBIAN-CVE-2009-4835"],"status":"published","duplicateOf":null,"title":null,"description":"The (1) htk_read_header, (2) alaw_init, (3) ulaw_init, (4) pcm_init, (5) float32_init, and (6) sds_read_header functions in libsndfile 1.0.20 allow context-dependent attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted audio file.","dates":{"published":"2010-05-05T18:00:00.000Z","modified":"2024-09-16T22:20:41.454Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":4.3,"severity":"medium","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01444,"percentile":0.72889,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.01444},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01444,"percentile":0.72889}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01444,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01444,"percentile":0.72889}]},"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-189","name":"Numeric Errors","description":"Weaknesses in this category are related to improper calculation or conversion of numbers.","type":"category","status":"Draft","abstraction":null,"likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/189.html"}],"affected":[{"vendor":"debian","product":"libsndfile","name":"libsndfile","label":"libsndfile","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/libsndfile","purlType":"deb","versions":[{"text":"< 1.0.21-3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.21-3","eol":null,"hubHref":null},{"vendor":"mega-nerd","product":"libsndfile","name":"libsndfile","label":"libsndfile","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"1.0.20","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.0.20","eol":null,"hubHref":"/vendor/mega-nerd/libsndfile"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.vupen.com/english/advisories/2009/1446","label":"www.vupen.com/english/advisories/2009/1446","hostname":"www.vupen.com","tags":["VDB Entry","X Refsource VUPEN","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/35126","label":"www.securityfocus.com/bid/35126","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]},{"url":"http://secunia.com/advisories/35266","label":"secunia.com/advisories/35266","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Vendor Advisory"]},{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=530831","label":"bugs.debian.org/cgi-bin/bugreport.cgi?bug=530831","hostname":"bugs.debian.org","tags":["X Refsource CONFIRM"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2009-4835","label":"security-tracker.debian.org/tracker/CVE-2009-4835","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2010-05-05T18:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-16T22:20:41.454Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":17,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T05:16:52.437Z","stale":false,"partial":false}}