CVE-2026-13708 Imager::File::JPEG versions before 1.003 for Perl leak heap memory when reading a JPEG with repeated APP13 markers in i_readjpeg_wiol

Imager::File::JPEG versions before 1.003 for Perl leak heap memory when reading a JPEG with repeated APP13 markers in ireadjpegwiol. ireadjpegwiol walks the marker list libjpeg returns and, for each APP13 marker, allocates a new buffer with iptcitext = mymalloc... and overwrites the previous...