{"id":"CVE-2019-14855","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-14855","generatedAt":"2026-10-28T23:58:06.528Z","title":"An attacker could use this weakness to create forged certificate signatures.","description":"A flaw was found in the way certificate signatures could be forged using collisions found in the SHA-1 algorithm. An attacker could use this weakness to create forged certificate signatures. This issue affects GnuPG versions before 2.2.18.","published":"2020-03-20T16:15:15.000Z","lastModified":"2026-06-17T02:19:11.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-326"],"affected":["gnupg/gnupg","fedoraproject/fedora","canonical/ubuntu linux"],"epss":{"score":0.01077,"percentile":0.64842,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855","tags":["Issue Tracking","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://dev.gnupg.org/T4755","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html","tags":["Mailing List","Release Notes","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"https://rwc.iacr.org/2020/slides/Leurent.pdf","tags":["Exploit","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://usn.ubuntu.com/4516-1/","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://dev.gnupg.org/T4755","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html","tags":["Mailing List","Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://rwc.iacr.org/2020/slides/Leurent.pdf","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4516-1/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-14855","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}