CVE-2026-107224

Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.1.0 to 2.11.0, a Zip64 uncompressed size with the high bit set is converted from uint64 to a negative int64 before signed size-limit checks and allocation. ReadZipReader obtains UncompressedSize64 throu...

PT-2026-107663

Name of the Vulnerable Software and Affected Versions Excelize versions 2.1.0 through 2.11.0 Description An issue exists when processing Zip64 entries where an uncompressed size with the high bit set ranging from 2^63 through 2^64-1 is converted from a uint64 to a negative int64. This conversion...