What is CVE-2017-12852?

CVE-2017-12852 is a high-severity vulnerability in Numpy, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2017-08-15.

How severe is CVE-2017-12852?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2017-12852 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Numpy

CVE-2017-12852

The numpy.pad function in Numpy 1.13.1 and older versions is missing input validation. An empty list or ndarray will stick into an infinite loop, which can allow attackers to cause a DoS attack.

Published 2017-08-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.027 (85.5th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

Numpy

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

Public proof-of-concept exploits

References

github.com/BT123/testcasesForMyRequest/tree/master/CVE-2017-12852
github.com/numpy/numpy/issues/9560 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2017-12852?: CVE-2017-12852 is a high-severity vulnerability in Numpy, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2017-08-15.
How severe is CVE-2017-12852?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-12852 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.