CVE-2019-14855
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Gnupg
PublishedMar 20, 2020
First seenMar 20, 2020
Weakness typeCWE-326CWE-326
How to fix
Update
- gnupg gnupg2.2.18 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gnupg gnupg | v < 2.2.18 | 2.2.18 |
| fedoraproject fedora | 30, 31 | — |
| canonical ubuntu_linux | 18.04 | — |
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