Pillow: OOB read in TiffDecode.c tile and RGBA paths leaks heap memory into pixels
High-risk advisory
CVE-2026-112404
Summary
Pillow: OOB read in TiffDecode.c tile and RGBA paths leaks heap memory into pixels
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 20% 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: 8.8. EPSS probability: 0.3%; percentile: 20%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.