Description
An issue was discovered in Yubico libykpiv before 2.1.0. An attacker can trigger an incorrect free() in the ykpiv_util_generate_key() function in lib/util.c through incorrect error handling code. This could be used to cause a denial of service attack.
Scores
CVSS v3
4.6
EPSS
0.0014
EPSS Percentile
33.0%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-763
Status
published
Products (3)
yubico/libykpiv
< 2.1.0
yubico/piv_tool_manager
< 2.0.0
yubico/yubikey_smart_card_minidriver
< 4.1.0.172
Published
Jul 09, 2020
Tracked Since
Feb 18, 2026