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CVE-2018-20535

nasm: Use-after-free at asm/preproc.c resulting in a denial of service

There is a use-after-free at asm/preproc.c (function pp_getline) in Netwide Assembler (NASM) 2.14rc16 that will cause a denial of service during a line-number increment attempt.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Nasm
Products
Netwide Assembler
CVE-2018-19755

nasm: out-of-bounds array access in is_mmacro in asm/preproc.c

There is an illegal address access at asm/preproc.c (function: is_mmacro) in Netwide Assembler (NASM) 2.14rc16 that will cause a denial of service (out-of-bounds array access) because a certain conversion can result in a negative integer.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Nasm
Products
Netwide Assembler
CVE-2018-19215

nasm: heap-based buffer over-read in do_directive in asm/preproc.c

Netwide Assembler (NASM) 2.14rc16 has a heap-based buffer over-read in expand_mmac_params in asm/preproc.c for the special cases of the % and $ and ! characters.

CVSS 3.0 · 7.8 High EPSS 1.3% KEV · Not listed
Vendors
Nasm Redhat
Products
Netwide Assembler Enterprise Linux
CVE-2018-19214

nasm: heap-based buffer over-read in expand_mmac_params in asm/preproc.c

Netwide Assembler (NASM) 2.14rc15 has a heap-based buffer over-read in expand_mmac_params in asm/preproc.c for insufficient input.

CVSS 3.0 · 7.8 High EPSS 1.3% KEV · Not listed
Vendors
Nasm Redhat
Products
Netwide Assembler Enterprise Linux
CVE-2018-19213

nasm: memory leaks in nasm_malloc in nasmlib/malloc.c

Netwide Assembler (NASM) through 2.14rc16 has memory leaks that may lead to DoS, related to nasm_malloc in nasmlib/malloc.c.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Nasm
Products
Netwide Assembler
CVE-2018-19209

nasm: NULL pointer dereference in find_label in asm/labels.c

Netwide Assembler (NASM) 2.14rc15 has a NULL pointer dereference in the function find_label in asm/labels.c that will lead to a DoS attack.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Nasm
Products
Netwide Assembler
CVE-2018-16999

nasm: Invalid memory write (segmentation fault) in expand_smacro in preproc.c

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

CVSS 3.0 · 5.5 Medium EPSS 1.1% KEV · Not listed
Vendors
Nasm
Products
Netwide Assembler
CVE-2018-16517

nasm: NULL Pointer Dereference in asm/labels.c

asm/labels.c in Netwide Assembler (NASM) is prone to NULL Pointer Dereference, which allows the attacker to cause a denial of service via a crafted file.

CVSS 3.1 · 5.5 Medium EPSS 4.4% KEV · Not listed
Vendors
Nasm
Products
Netwide Assembler
CVE-2018-16382

nasm: buffer over-read in x86/regflags.c allows for crash via crafted file

Netwide Assembler (NASM) 2.14rc15 has a buffer over-read in x86/regflags.c.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Nasm
Products
Netwide Assembler
CVE-2018-10316

nasm: Endless while loop in the assemble_file function of asm/nasm.c

Netwide Assembler (NASM) 2.14rc0 has an endless while loop in the assemble_file function of asm/nasm.c because of a globallineno integer overflow.

CVSS 3.0 · 5.5 Medium EPSS 1.1% KEV · Not listed
Vendors
Nasm
Products
Netwide Assembler
CVE-2018-10254

nasm: Stack-based buffer over-read in disasm/disasm.c:disasm() can allow attackers to cause a denial of service

Netwide Assembler (NASM) 2.13 has a stack-based buffer over-read in the disasm function of the disasm/disasm.c file. Remote attackers could leverage this vulnerability to cause a denial of service or possibly have unspecified other impact via a crafted ELF file.

CVSS 3.0 · 7.8 High EPSS 1.4% KEV · Not listed
Vendors
Nasm
Products
Netwide Assembler
CVE-2018-10016

nasm: Divide-by-zero asm/eval.c:expr5() allows for crash via crafted file

Netwide Assembler (NASM) 2.14rc0 has a division-by-zero vulnerability in the expr5 function in asm/eval.c via a malformed input file.

CVSS 3.0 · 5.5 Medium EPSS 1.1% KEV · Not listed
Vendors
Nasm
Products
Netwide Assembler
CVE-2018-1000886

nasm: Buffer overflow in asm/stdscan.c:130 resulting in a denial of service

nasm version 2.14.01rc5, 2.15 contains a Buffer Overflow vulnerability in asm/stdscan.c:130 that can result in Stack-overflow caused by triggering endless macro generation, crash the program. This attack appear to be exploitable via a crafted nasm input file.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Nasm
Products
Netwide Assembler
CVE-2018-1000667

nasm: Memory corruption in assemble_file() function in asm/nasm.c:482

NASM nasm-2.13.03 nasm- 2.14rc15 version 2.14rc15 and earlier contains a memory corruption (crashed) of nasm when handling a crafted file due to function assemble_file(inname, depend_ptr) at asm/nasm.c:482. vulnerability in function assemble_file(inname, depend_ptr) at asm/nasm.c:482. that can result in aborting/crash nasm program. This attack appear to be exploitable via a specially crafted asm file..

CVSS 3.0 · 5.5 Medium EPSS 1.0% KEV · Not listed
Vendors
Nasm
Products
Netwide Assembler