Elfutils

libarchive ZIP Declared-Size Boundary Bypass via debuginfod

The PoC builds a stored ZIP64 archive entry whose declared uncompressed size field is 109 bytes while the actual inflated stream is 4 GiB + 109 bytes — crafted so the low 32 bits of the true length equal the advertised value (0x100000004 mod 2^32 == 4, offset…