{"schemaVersion":3,"id":"CVE-2021-30472","aliases":["UBUNTU-CVE-2021-30472","DEBIAN-CVE-2021-30472"],"status":"published","duplicateOf":null,"title":null,"description":"A flaw was found in PoDoFo 0.9.7. A stack-based buffer overflow in PdfEncryptMD5Base::ComputeOwnerKey function in PdfEncrypt.cpp is possible because of a improper check of the keyLength value.","dates":{"published":"2021-05-26T21:38:26.000Z","modified":"2024-08-03T22:32:41.103Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.8,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":4.6,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":4.6,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":6.8,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00763,"percentile":0.54638,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00763},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00763,"percentile":0.54638}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00763,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00763,"percentile":0.54638}]},"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_869A273EBF574519","name":"Exploit Reference (bugzilla.redhat.com)","source":"reference","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1947458","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"},{"id":"CWE-787","name":"Out-of-bounds Write","description":"The product writes data past the end, or before the beginning, of the intended buffer.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/787.html"}],"affected":[{"vendor":"debian","product":"libpodofo","name":"libpodofo","label":"libpodofo","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/libpodofo","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"libpodofo","name":"libpodofo","label":"libpodofo","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libpodofo","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"podofo_project","product":"podofo","name":"podofo","label":"podofo","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"0.9.7","noFixRecorded":false,"fixedIn":null}],"versionsText":"0.9.7","eol":null,"hubHref":"/vendor/podofo_project/podofo"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1947458","label":"bugzilla.redhat.com/show_bug.cgi?id=1947458","hostname":"bugzilla.redhat.com","tags":["X Refsource MISC","Exploit","Issue Tracking","Patch","Third Party Advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-30472","label":"ubuntu.com/security/CVE-2021-30472","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://sourceforge.net/p/podofo/tickets/132/","label":"sourceforge.net/p/podofo/tickets/132/","hostname":"sourceforge.net","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-30472","label":"www.cve.org/CVERecord?id=CVE-2021-30472","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-30472","label":"security-tracker.debian.org/tracker/CVE-2021-30472","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-05-26T21:38:26.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-03T22:32:41.103Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":41,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T07:20:06.063Z","stale":false,"partial":false}}