CVE-2026-25990 HIGH

CVE-2026-25990: Pillow has an out-of-bounds write when loading PSD images

Vendor Python-Pillow

Product Pillow

Weakness CWE-787

Published February 11, 2026

Last update June 30, 2026

View on NVD All CVEs

CVSS base score

8.6/10

Attack vector Local

Attack complexity Low

Privileges required None

User interaction None

Confidentiality —

Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Pillow is a Python imaging library. From 10.3.0 to before 12.1.1, an out-of-bounds write may be triggered when loading a specially crafted PSD image. This vulnerability is fixed in 12.1.1.

Key dates

02Disclosure timeline

February 11, 2026 CVE published

June 30, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-25990 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/787.html