In Netwide Assembler (NASM) 2.14rc0, there is a use-after-free in ppverror in asm/preproc.c that will cause a remote denial of service attack.
In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in ismmacro() in asm/preproc.c that will cause a remote denial of service attack, because of a missing check for the relationship between minimum and maximum parameter counts.
In Netwide Assembler (NASM) 2.14rc0, there is a use-after-free in ppgetline in asm/preproc.c that will cause a remote denial of service attack.
In Netwide Assembler (NASM) 2.14rc0, there is a heap-based buffer over-read that will cause a remote denial of service attack, related to a while loop in pastetokens in asm/preproc.c.
In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in the function findcc() in asm/preproc.c that will cause a remote denial of service attack, because pointers associated with skipwhite calls are not validated.
In Netwide Assembler (NASM) 2.14rc0, there is a use-after-free in pplistonemacro in asm/preproc.c that will lead to a remote denial of service attack, related to mishandling of operand-type errors.
In Netwide Assembler (NASM) 2.14rc0, there is a use-after-free in the pplistonemacro function in asm/preproc.c that will cause a remote denial of service attack, related to mishandling of line-syntax errors.
In Netwide Assembler (NASM) 2.14rc0, there is a heap-based buffer over-read in the function detoken() in asm/preproc.c that will cause a remote denial of service attack.
In Netwide Assembler (NASM) 2.14rc0, there is a use-after-free in dodirective in asm/preproc.c that will cause a remote denial of service attack.
In Netwide Assembler (NASM) 2.14rc0, there is a heap-based buffer overflow that will cause a remote denial of service attack, related to a strcpy in pastetokens in asm/preproc.c, a similar issue to CVE-2017-11111.
In Netwide Assembler (NASM) 2.14rc0, there is a "SEGV on unknown address" that will cause a remote denial of service attack, because asm/preproc.c mishandles macro calls that have the wrong number of arguments.
In Netwide Assembler (NASM) 2.14rc0, there are multiple heap use after free vulnerabilities in the tool nasm. The related heap is allocated in the token() function and freed in the detoken() function (called by ppgetline()) - it is used again at multiple positions later that could cause multiple damages. For example, it causes a corrupted double-linked list in detoken(), a double free or corruption in deleteToken(), and an out-of-bounds write in detoken(). It has a high possibility to lead to a remote code execution attack.