CVE-2018-15560
PyCryptodome integer overflow vulnerability
7.5
HIGH
CVSS 3.1
EPSS 0.33%
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.
How to fix CVE-2018-15560
To remediate CVE-2018-15560, upgrade the affected package to a fixed version below.
- PyPI/pycryptodome—upgrade to 3.6.6 or later
- —upgrade to 3.6.6 or later
Is CVE-2018-15560 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.6.6
- from 0, < 3.6.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |