Pillow JPEG2000 tiled decode retains a growing scratch buffer and can be used for denial of service
High-risk advisory
CVE-2026-59204
Summary
Pillow JPEG2000 tiled decode retains a growing scratch buffer and can be used for denial of service
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 32% 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: 32%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.