Vulnerability DatabaseCVE-2018-15560
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CVE-2018-15560
Published:August 20, 2018
Updated:July 21, 2026
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.
Affected Packages
pycryptodome (CONDA):
Affected version(s) =3.3.1 <3.6.6
Fix Suggestion:
Update to version 3.6.6
pycryptodome (PYTHON):
Affected version(s) >=3.0rc1 <3.6.6
Fix Suggestion:
Update to version 3.6.6
Related Resources (6)
https://nvd.nist.gov/vuln/detail/CVE-2018-15560
https://github.com/Legrandin/pycryptodome/issues/198
https://whitehatck01.blogspot.com/2018/08/integer-overflow-vulnerability-in.html
https://github.com/advisories/GHSA-hgg3-g7gr-66r7
https://github.com/Legrandin/pycryptodome
https://github.com/pypa/advisory-database/tree/main/vulns/pycryptodome/PYSEC-2018-21.yaml
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Integer Overflow or Wraparound
CWE-190
EPSS
Base Score:
1.74