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Vulnerability record · CVE-2016-2533 · published 13 April 2016

CVE-2016-2533: Python pillow memory buffer overflow vulnerability

Python · Pillow

Buffer overflow in the ImagingPcdDecode function in PcdDecode.c in Pillow before 3.1.1 and Python Imaging Library (PIL) 1.1.7 and earlier allows remote attackers to cause a denial of service (crash) via a crafted PhotoCD file.

6.5 CVSS 3.0 Medium EPSS 4.0% · top 9.8% CWE-119 · Memory buffer overflow
6.5CVSS 3.0 base score, v2 4.3
4.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
18References
17 Jun 2026Last modified by NVD

Description

Buffer overflow in the ImagingPcdDecode function in PcdDecode.c in Pillow before 3.1.1 and Python Imaging Library (PIL) 1.1.7 and earlier allows remote attackers to cause a denial of service (crash) via a crafted PhotoCD file.

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.debian.org/security/2016/dsa-3499
http://www.openwall.com/lists/oss-security/2016/02/02/5
http://www.openwall.com/lists/oss-security/2016/02/22/2
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
https://github.com/python-pillow/Pillow/blob/c3cb690fed5d4bf0c45576759de55d054916c165/CHANGES.rst Vendor Advisory
https://github.com/python-pillow/Pillow/commit/5bdf54b5a76b54fb00bd05f2d733e0a4173eefc9#diff-8ff6909c159597e22288ad81893
https://github.com/python-pillow/Pillow/commit/ae453aa18b66af54e7ff716f4ccb33adca60afd4#diff-8ff6909c159597e22288ad81893
https://github.com/python-pillow/Pillow/pull/1706
https://security.gentoo.org/glsa/201612-52
http://www.debian.org/security/2016/dsa-3499
http://www.openwall.com/lists/oss-security/2016/02/02/5
http://www.openwall.com/lists/oss-security/2016/02/22/2
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
https://github.com/python-pillow/Pillow/blob/c3cb690fed5d4bf0c45576759de55d054916c165/CHANGES.rst Vendor Advisory
https://github.com/python-pillow/Pillow/commit/5bdf54b5a76b54fb00bd05f2d733e0a4173eefc9#diff-8ff6909c159597e22288ad81893
https://github.com/python-pillow/Pillow/commit/ae453aa18b66af54e7ff716f4ccb33adca60afd4#diff-8ff6909c159597e22288ad81893
https://github.com/python-pillow/Pillow/pull/1706
https://security.gentoo.org/glsa/201612-52

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Source: NIST National Vulnerability Database (record CVE-2016-2533), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.