Pillow Integer overflow in ImagingResampleHorizontal

Also known as GHSA-hvr8-466p-75rh, PYSEC-2016-7

Published 10 y ago 2016-04-13 · modified 4 mo ago 2026-06-17 · JSON

CVSS

9.8

v3.0 · NVD

CISA KEV

not known exploited

EPSS

7.9%

percentile 95%

Public exploits

none known

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.

Exploit prediction (EPSS)

7.87% probability of exploitation in the next 30 days, higher than 95% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.0	9.8	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`
NVD	2.0	10.0	`AV:N/AC:L/Au:N/C:C/I:C/A:C`
GitHub	3.0	9.8	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`

Affected packages

Ecosystem	Package	Affected	Fixed in
pypi	`pillow`	<3.1.1	3.1.1

Classification

Weakness

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

security.gentoo.org /glsa/201612-52 · vendor-advisory, x_refsource_GENTOO, x_transferred
github.com /python-pillow/Pillow/pull/1714 · x_refsource_CONFIRM, x_transferred
github.com /python-pillow/Pillow/commit/4e0d9b0b9740d258ade40cce248c93777362ac1e · x_refsource_CONFIRM, x_transferred
securityfocus.com /bid/86064 · vdb-entry, x_refsource_BID, x_transferred
github.com /python-pillow/Pillow/blob/c3cb690fed5d4bf0c45576759de55d054916c165/CHANGES.rst · x_refsource_CONFIRM, x_transferred
nvd.nist.gov /vuln/detail/CVE-2016-4009 · advisory
github.com /advisories/GHSA-hvr8-466p-75rh · advisory
github.com /pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2016-7.yaml · web
github.com /python-pillow/Pillow · package

Sources

CVE List: CVE-2016-4009
GitHub Advisory: GHSA-hvr8-466p-75rh
NVD: CVE-2016-4009
OSV: PYSEC-2016-7

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