CVE-2026-48103

7-Zip is a file archiver with a high compression ratio. Versions 9.34 through 26.00 contain an off-by-one heap out-of-bounds read in the WIM Windows Imaging archive handler's security descriptor lookup. In CHandler::GetSecurity CPP/7zip/Archive/Wim/WimHandler.cpp, the per-image SecurOffsets table...