JLSEC-2025-253 `_TIFFCheckMalloc` and `_TIFFCheckRealloc` in `tif_aux.c` in LibTIFF through 4.0.10 mishandle...

TIFFCheckMalloc and TIFFCheckRealloc in tifaux.c in LibTIFF through 4.0.10 mishandle Integer Overflow checks because they rely on compiler behavior that is undefined by the applicable C standards. This can, for example, lead to an application crash...