Heap buffer overflow vulnerability in libjxl 0.12.0 via crafted PBM images to the jxl::extras::DecodeImagePNM function in file lib/extras/dec/pnm.cc.Referenceshttps://github.com/libjxl/libjxl/issues/4337https://github.com/libjxl/libjxl/pull/4338https://github.com/sigdevel/pocs/blob/main/res/libjxl/2025/2https://infosec.exchange/@sigdevel/116642233929409910
