{"schemaVersion":3,"id":"CVE-2018-7648","aliases":["DEBIAN-CVE-2018-7648"],"status":"published","duplicateOf":null,"title":null,"description":"An issue was discovered in mj2/opj_mj2_extract.c in OpenJPEG 2.3.0. The output prefix was not checked for length, which could overflow a buffer, when providing a prefix with 50 or more characters on the command line.","dates":{"published":"2018-03-02T16:00:00.000Z","modified":"2024-08-05T06:31:05.068Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/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":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"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},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":10,"impact":9.8,"computed":true}]},"epss":{"probability":0.01637,"percentile":0.76,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.01637},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01637,"percentile":0.76}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01637,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01637,"percentile":0.76}]},"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-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":"debian","product":"openjpeg2","name":"openjpeg2","label":"openjpeg2","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/openjpeg2","purlType":"deb","versions":[{"text":"< 2.3.1-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.3.1-1","eol":null,"hubHref":null},{"vendor":"uclouvain","product":"openjpeg","name":"openjpeg","label":"openjpeg","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2.3.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.3.0","eol":null,"hubHref":"/vendor/uclouvain/openjpeg"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/uclouvain/openjpeg/issues/1088","label":"github.com/uclouvain/openjpeg/issues/1088","hostname":"github.com","tags":["X Refsource MISC","Issue Tracking","Third Party Advisory"]},{"url":"https://github.com/uclouvain/openjpeg/commit/cc3824767bde397fedb8a1ae4786a222ba860c8d","label":"github.com/uclouvain/openjpeg/commit/cc3824767bde397fedb8a1ae4786a222ba860c8d","hostname":"github.com","tags":["X Refsource MISC","Patch","Vendor Advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-7648","label":"security-tracker.debian.org/tracker/CVE-2018-7648","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2018-03-02T16:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T06:31:05.068Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T08:22:46.584Z","stale":false,"partial":false}}