{"cve":"CVE-2019-14855","nvd":{"published":"2020-03-20T16:15:14.680","modified":"2026-06-17T02:19:10.563","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-326"],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14855","https://dev.gnupg.org/T4755","https://lists.gnupg.org/pipermail/gnupg-announce/2019q4/000442.html","https://rwc.iacr.org/2020/slides/Leurent.pdf","https://usn.ubuntu.com/4516-1/"],"products":["canonical:ubuntu_linux","fedoraproject:fedora","gnupg:gnupg"],"source":"nvd","synced_at":"2026-10-19T21:03:08.679916934+00:00"},"epss":{"cve":"CVE-2019-14855","score":0.01077,"percentile":0.65024,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}