Pillow: Double free in ImagingScaleAffine on calloc failure via Image.transform
High-risk advisory
CVE-2026-112402
Summary
Pillow: Double free in ImagingScaleAffine on calloc failure via Image.transform
Why it matters
GitHub has published a reviewed security advisory for Pillow. Prioritize it with other application dependency updates, especially because EPSS places it in the 37% percentile.
Operator check
Check whether Pillow is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.7. EPSS probability: 0.4%; percentile: 37%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.