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

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UBUNTU-CVE-2018-16999

Netwide Assembler NASM 2.14rc15 has an invalid memory write segmentation fault in expandsmacro in preproc.c, which allows attackers to cause a denial of service via a crafted input file...