CVE-2018-15560

HIGH

PyCryptodome < 3.6.6 - Integer Overflow in AESNI Encryption/Decryption

Title source: llm
STIX 2.1

Description

PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes.

References (2)

Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/Legrandin/pycryptodome/issues/198

Scores

CVSS v3 7.5
EPSS 0.0174
EPSS Percentile 74.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-190
Status published
Products (2)
pycryptodome/pycryptodome < 3.6.6
pypi/pycryptodome 0 - 3.6.6PyPI
Published Aug 20, 2018
Tracked Since Feb 18, 2026