Pillow: Controlled heap out-of-bounds write in Pillow `ImageCmsTransform.apply()` via output mode mismatch
High-risk advisory
CVE-2026-59205
Summary
Pillow: Controlled heap out-of-bounds write in Pillow `ImageCmsTransform.apply()` via output mode mismatch
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 31% 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. EPSS probability: 0.4%; percentile: 31%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.