HIGHPyPI

Pillow: Heap out-of-bounds write in `ImageFilter.RankFilter` via integer overflow in `ImagingExpand`

Pillow: Heap out-of-bounds write in `ImageFilter.RankFilter` via integer overflow in `ImagingExpand`

CVE-2026-59197Published 1 month agoUpdated 5 days agoSource: OSV

Affected packages

  • pillowbefore 12.3.0

Exploit signal

Known exploited (CISA KEV)
No
EPSS score
EPSS percentile

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.