A memory leak issue discovered in YASM v.1.3.0 allows a local attacker to cause a denial of service via the new_Token function in the modules/preprocs/nasm/nasm-pp:1512.

yasm v1.3.0 was discovered to contain a use after free via the function expand_mmac_params at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.

yasm v1.3.0 was discovered to contain a use after free via the function error at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.

yasm v1.3.0 was discovered to contain a use after free via the function pp_getline at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.

An issue was discovered in yasm version 1.3.0. There is a use-after-free in error() in modules/preprocs/nasm/nasm-pp.c.

An issue was discovered in yasm version 1.3.0. There is a use-after-free in pp_getline() in modules/preprocs/nasm/nasm-pp.c.

An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in expand_smacro() in modules/preprocs/nasm/nasm-pp.c.

An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in expand_mmacro() in modules/preprocs/nasm/nasm-pp.c.

An issue was discovered in yasm version 1.3.0. There is a heap-buffer-overflow in inc_fopen() in modules/preprocs/nasm/nasm-pp.c.

An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in yasm_expr__copy_except() in libyasm/expr.c.