{"schemaVersion":3,"id":"USN-2554-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"gnupg, gnupg2 vulnerabilities\n\nDaniel Genkin, Lev Pachmanov, Itamar Pipman, and Eran Tromer discovered\nthat GnuPG was susceptible to an attack via physical side channels. A local\nattacker could use this attack to possibly recover private keys.\n(CVE-2014-3591)\n\nDaniel Genkin, Adi Shamir, and Eran Tromer discovered that GnuPG was\nsusceptible to an attack via physical side channels. A local attacker could\nuse this attack to possibly recover private keys. (CVE-2015-0837)\n\nHanno Böck discovered that GnuPG incorrectly handled certain malformed\nkeyrings. If a user or automated system were tricked into opening a\nmalformed keyring, a remote attacker could use this issue to cause GnuPG to\ncrash, resulting in a denial of service, or possibly execute arbitrary\ncode. (CVE-2015-1606, CVE-2015-1607)\n\nIn addition, this update improves GnuPG security by validating that the\nkeys returned by keyservers match those requested.","dates":{"published":"2015-04-01T13:23:13.000Z","modified":"2026-02-10T04:40:53.000Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"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":"ubuntu","product":"gnupg","name":"gnupg","label":"gnupg","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/gnupg","purlType":"deb","versions":[{"text":"< 1.4.16-1ubuntu2.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.4.16-1ubuntu2.3","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"gnupg2","name":"gnupg2","label":"gnupg2","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/gnupg2","purlType":"deb","versions":[{"text":"< 2.0.22-3ubuntu1.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.0.22-3ubuntu1.3","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-2554-1","label":"ubuntu.com/security/notices/USN-2554-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2014-3591","label":"ubuntu.com/security/CVE-2014-3591","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2014-5270","label":"ubuntu.com/security/CVE-2014-5270","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2015-0837","label":"ubuntu.com/security/CVE-2015-0837","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2015-1606","label":"ubuntu.com/security/CVE-2015-1606","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2015-1607","label":"ubuntu.com/security/CVE-2015-1607","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2014-3591","CVE-2014-5270","CVE-2015-0837","CVE-2015-1606","CVE-2015-1607"],"downstream":[],"duplicates":[],"related":["CVE-2014-3591","CVE-2014-5270","CVE-2015-0837","CVE-2015-1606","CVE-2015-1607"]},"timeline":[{"kind":"published","date":"2015-04-01T13:23:13.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-10T04:40:53.000Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T18:23:40.909Z","stale":false,"partial":false}}