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.
[
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"events": [
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{
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"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-14855.json"