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Vulnerability record · CVE-2016-3076 · published 24 April 2017

CVE-2016-3076: Python pillow memory buffer overflow vulnerability

Python · Pillow

Heap-based buffer overflow in the j2k_encode_entry function in Pillow 2.5.0 through 3.1.1 allows remote attackers to cause a denial of service (memory corruption) via a crafted Jpeg2000 file.

5.5 CVSS 3.0 Medium EPSS 2.6% · top 15.4% CWE-119 · Memory buffer overflow
5.5CVSS 3.0 base score, v2 4.3
2.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in the j2k_encode_entry function in Pillow 2.5.0 through 3.1.1 allows remote attackers to cause a denial of service (memory corruption) via a crafted Jpeg2000 file.

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

Affected products

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

References

LinkTags
http://pillow.readthedocs.io/en/4.1.x/releasenotes/3.1.2.html Release NotesVendor Advisory
http://www.securityfocus.com/bid/98042
https://bugzilla.redhat.com/show_bug.cgi?id=1321929 Issue TrackingThird Party AdvisoryVDB Entry
http://pillow.readthedocs.io/en/4.1.x/releasenotes/3.1.2.html Release NotesVendor Advisory
http://www.securityfocus.com/bid/98042
https://bugzilla.redhat.com/show_bug.cgi?id=1321929 Issue TrackingThird Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-3076), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.