Skip to content
Fencer Intel
medium 5.5

CVE-2016-9189 json

Pillow Integer overflow in Map.c

published 10y ago modified 4mo ago also GHSA-rwr3-c2q8-gm56 , PYSEC-2016-8 , EUVD-2016-0024

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

Pillow before 3.3.2 allows context-dependent attackers to obtain sensitive information by using the "crafted image file" approach, related to an "Integer Overflow" issue affecting the Image.core.map_buffer in map.c component.

Patch / fix

  • pypi pillow 3.3.2
  • pillow Debian 14, Debian 13, Debian 12 3.4.2-1

debian advisories DEBIAN-CVE-2016-9189

  • pillow Ubuntu 14.04 LTS 2.3.0-1ubuntu3.4
  • pillow Ubuntu 16.04 LTS 3.1.2-0ubuntu1.1

ubuntu advisories UBUNTU-CVE-2016-9189

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • python-Pillow OpenStack Cloud 7, Enterprise Storage 4 2.8.1-4.6.1
  • python-Pillow Enterprise Storage 5 2.8.1-3.3.1

suse advisories SUSE-SU-2019:1772-1SUSE-SU-2019:1321-1

Is CVE-2016-9189 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-9189 updated cvss 6.5

python-pillow: Integer overflows leading to memory disclosure in PyImaging_MapBuffer (Map.c)

  • Red Hat Enterprise Linux 5 python-imaging Red Hat Enterprise Linux 6 python-imaging, python-imaging-tk, python-imaging-sane Red Hat Enterprise Linux 7 python-pillow, python-pillow-qt, python-pillow-tk, python-pillow-sane
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.95% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N
GitHub 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
pypi pillow
<3.3.2
3.3.2

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.