An issue has been found in third-party PNM decoding associated with libpng 1.6.35. It is a stack-based buffer overflow in the function get_token in pnm2png.c in pnm2png.
github.com/fouzhe/security/tree/master/libpng#stack-buffer-overflow-in-png2pnm-in-function-get_token
github.com/glennrp/libpng/issues/246
security.gentoo.org/glsa/201908-02
security.netapp.com/advisory/ntap-20221028-0001/
www.oracle.com/security-alerts/cpuApr2021.html
www.oracle.com/security-alerts/cpuoct2021.html