Pillow 10.312.1.1: OOB Write PSD Image Load (Fixed 12.1.1)
CVE-2026-25990 Published on February 11, 2026
Pillow has an out-of-bounds write when loading PSD images
Pillow is a Python imaging library. From 10.3.0 to before 12.1.1, n out-of-bounds write may be triggered when loading a specially crafted PSD image. This vulnerability is fixed in 12.1.1.
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2026-25990 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2026-25990
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Affected Versions
python-pillow Pillow Version >= 10.3.0, < 12.1.1 is affected by CVE-2026-25990Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.