Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.
Exploitability
AV:LAC:HPR:NUI:NScope
S:UImpact
C:NI:HA:H6.7/CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:HMemory Safety