Arbitrary code using "crafted image file" approach affecting Pillow

Also known as GHSA-w4vg-rf63-f3j3, PYSEC-2016-9

Published 10 y ago 2016-11-04 · modified 4 mo ago 2026-06-17 · JSON

CVSS

7.8

v3.0 · NVD

CISA KEV

not known exploited

EPSS

1.9%

percentile 80%

Public exploits

none known

Pillow before 3.3.2 allows context-dependent attackers to execute arbitrary code by using the "crafted image file" approach, related to an "Insecure Sign Extension" issue affecting the ImagingNew in Storage.c component.

Exploit prediction (EPSS)

1.90% probability of exploitation in the next 30 days, higher than 80% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.0	7.8	`CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`
NVD	2.0	6.8	`AV:N/AC:M/Au:N/C:P/I:P/A:P`
GitHub	3.0	7.8	`CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`

Affected packages

Ecosystem	Package	Affected	Fixed in
pypi	`pillow`	<3.3.2	3.3.2

Classification

Weakness

CWE-284 Improper Access Control

References

security.gentoo.org /glsa/201612-52 · vendor-advisory, x_refsource_GENTOO, x_transferred
securityfocus.com /bid/94234 · vdb-entry, x_refsource_BID, x_transferred
github.com /python-pillow/Pillow/issues/2105 · x_refsource_CONFIRM, x_transferred
debian.org /security/2016/dsa-3710 · vendor-advisory, x_refsource_DEBIAN, x_transferred
pillow.readthedocs.io /en/3.4.x/releasenotes/3.3.2.html · x_refsource_CONFIRM, x_transferred
github.com /python-pillow/Pillow/pull/2146/commits/5d8a0be45aad78c5a22c8d099118ee26ef8144af · x_refsource_CONFIRM, x_transferred
nvd.nist.gov /vuln/detail/CVE-2016-9190 · advisory
github.com /advisories/GHSA-w4vg-rf63-f3j3 · advisory
github.com /pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2016-9.yaml · web
github.com /python-pillow/Pillow · package

Sources

CVE List: CVE-2016-9190
GitHub Advisory: GHSA-w4vg-rf63-f3j3
NVD: CVE-2016-9190
OSV: PYSEC-2016-9

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.