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.
Created yubico-piv-tool tracking bugs for this issue:
Affects: fedora-31 [bug 1890965]