Resource exhaustion in Python Pillow

CVE-2019-16865

An issue was discovered in Pillow before 6.2.0. When reading specially crafted invalid image files, the library can either allocate very large amounts of memory or take an extremely long period of time to process the image.

EPSS: 0.032 (86.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-16865?
CVE-2019-16865 is a high-severity vulnerability in Python Pillow, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2019-10-04.
How severe is CVE-2019-16865?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2019-16865 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.