Buffer overflow in Python Pillow
CVE-2016-4009
Integer overflow in the ImagingResampleHorizontal function in libImaging/Resample.c in Pillow before 3.1.1 allows remote attackers to have unspecified impact via negative values of the new size, which triggers a heap-based buffer overflow.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.079 (94.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.079 · newest: 0.079 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.gentoo.org/glsa/201612-52 (vendor-advisory)
- github.com/python-pillow/Pillow/pull/1714 (Patch)
- github.com/python-pillow/Pillow/commit/4e0d9b0b9740d258ade40cce248c93777362ac1e (Patch)
- www.securityfocus.com/bid/86064 (vdb-entry)
- github.com/python-pillow/Pillow/blob/c3cb690fed5d4bf0c45576759de55d054916c165/C… (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2016-4009?
- CVE-2016-4009 is a critical-severity vulnerability in Python Pillow, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-04-13.
- How severe is CVE-2016-4009?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-4009 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.