{"schemaVersion":3,"id":"CVE-2008-0227","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"yaSSL 1.7.5 and earlier, as used in MySQL and possibly other products, allows remote attackers to cause a denial of service (crash) via a Hello packet containing a large size value, which triggers a buffer over-read in the HASHwithTransform::Update function in hash.cpp.","dates":{"published":"2008-01-10T23:00:00.000Z","modified":"2024-08-07T07:39:34.149Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.5,"severity":"high","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.02492,"percentile":0.84441,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.02492},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.02492,"percentile":0.84441}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02492,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.02492,"percentile":0.84441}]},"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":"REF_2ADE64B70FCAD64F","name":"Exploit Reference (securityfocus.com)","source":"reference","url":"http://www.securityfocus.com/bid/27140","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer","description":"The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/119.html"}],"affected":[{"vendor":"yassl","product":"yassl","name":"yassl","label":"yassl","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 1.7.5","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 1.7.5","eol":null,"hubHref":"/vendor/yassl/yassl"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.debian.org/security/2008/dsa-1478","label":"www.debian.org/security/2008/dsa-1478","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN"]},{"url":"http://secunia.com/advisories/29443","label":"secunia.com/advisories/29443","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA"]},{"url":"http://www.securityfocus.com/archive/1/485810/100/0/threaded","label":"www.securityfocus.com/archive/1/485810/100/0/threaded","hostname":"www.securityfocus.com","tags":["Mailing List","X Refsource BUGTRAQ"]},{"url":"http://secunia.com/advisories/28324","label":"secunia.com/advisories/28324","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Vendor Advisory"]},{"url":"http://securityreason.com/securityalert/3531","label":"securityreason.com/securityalert/3531","hostname":"securityreason.com","tags":["Third Party Advisory","X Refsource SREASON"]},{"url":"http://www.securityfocus.com/bid/31681","label":"www.securityfocus.com/bid/31681","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/39433","label":"exchange.xforce.ibmcloud.com/vulnerabilities/39433","hostname":"exchange.xforce.ibmcloud.com","tags":["VDB Entry","X Refsource XF"]},{"url":"http://bugs.mysql.com/33814","label":"bugs.mysql.com/33814","hostname":"bugs.mysql.com","tags":["X Refsource CONFIRM"]},{"url":"http://www.securityfocus.com/bid/27140","label":"www.securityfocus.com/bid/27140","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Exploit"]},{"url":"http://secunia.com/advisories/28597","label":"secunia.com/advisories/28597","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA"]},{"url":"http://www.vupen.com/english/advisories/2008/0560/references","label":"www.vupen.com/english/advisories/2008/0560/references","hostname":"www.vupen.com","tags":["VDB Entry","X Refsource VUPEN"]},{"url":"http://secunia.com/advisories/32222","label":"secunia.com/advisories/32222","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA"]},{"url":"http://dev.mysql.com/doc/refman/5.1/en/news-5-1-23.html","label":"dev.mysql.com/doc/refman/5.1/en/news-5-1-23.html","hostname":"dev.mysql.com","tags":["X Refsource CONFIRM"]},{"url":"http://www.vupen.com/english/advisories/2008/2780","label":"www.vupen.com/english/advisories/2008/2780","hostname":"www.vupen.com","tags":["VDB Entry","X Refsource VUPEN"]},{"url":"http://www.ubuntu.com/usn/usn-588-1","label":"www.ubuntu.com/usn/usn-588-1","hostname":"www.ubuntu.com","tags":["Vendor Advisory","X Refsource UBUNTU"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2008:150","label":"www.mandriva.com/security/advisories?name=MDVSA-2008:150","hostname":"www.mandriva.com","tags":["Vendor Advisory","X Refsource MANDRIVA"]},{"url":"http://lists.apple.com/archives/security-announce/2008/Oct/msg00001.html","label":"lists.apple.com/archives/security-announce/2008/Oct/msg00001.html","hostname":"lists.apple.com","tags":["Vendor Advisory","X Refsource APPLE"]},{"url":"http://support.apple.com/kb/HT3216","label":"support.apple.com/kb/HT3216","hostname":"support.apple.com","tags":["X Refsource CONFIRM"]}],"lineage":{"upstream":[],"downstream":["DSA-1478-1"],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2008-01-10T23:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-07T07:39:34.149Z","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":"2026-10-21T03:16:50.176Z","stale":false,"partial":false}}