Nasm Netwide Assembler vulnerabilities, page 2

75 vulnerabilities

Known vulnerabilities in Nasm Netwide Assembler, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

5.5CVE-2021-45257debiannasm+2
EPSS score
0.69%
An infinite loop vulnerability exists in nasm 2.16rc0 via the gpaste_tokens function.
5.5CVE-2021-33450debiannasm+2
EPSS score
0.33%
An issue was discovered in NASM version 2.16rc0. There are memory leaks in nasm_calloc() in nasmlib/alloc.c.
5.5CVE-2021-33452debiannasm+2
EPSS score
0.33%
An issue was discovered in NASM version 2.16rc0. There are memory leaks in nasm_malloc() in nasmlib/alloc.c.
5.5CVE-2025-8844debiannasm+3
EPSS score
0.27%
A vulnerability was determined in NASM Netwide Assember 2.17rc0. This vulnerability affects the function parse_smacro_template of the file preproc.c. The manipulation leads to null pointer dereference. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.
7.8CVE-2025-8845debiannasm+3
EPSS score
0.29%
A vulnerability was identified in NASM Netwide Assember 2.17rc0. This issue affects the function assemble_file of the file nasm.c. The manipulation leads to stack-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.
7.8CVE-2025-8843debiannasm+3
EPSS score
0.27%
A vulnerability was found in NASM Netwide Assember 2.17rc0. This affects the function macho_no_dead_strip of the file outmacho.c. The manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.
7.8CVE-2025-8846debiannasm+3
EPSS score
0.29%
A vulnerability has been found in NASM Netwide Assember 2.17rc0. Affected is the function parse_line of the file parser.c. The manipulation leads to stack-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.
7.8CVE-2025-8842debiannasm+3
EPSS score
0.24%
A vulnerability has been found in NASM Netwide Assember 2.17rc0. Affected by this issue is the function do_directive of the file preproc.c. The manipulation leads to use after free. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.
5.5CVE-2020-21528debiannasm+2
EPSS score
0.54%
A Segmentation Fault issue discovered in in ieee_segment function in outieee.c in nasm 2.14.03 and 2.15 allows remote attackers to cause a denial of service via crafted assembly file.
5.5CVE-2020-21685debiannasm+2
EPSS score
0.44%
Buffer Overflow vulnerability in hash_findi function in hashtbl.c in nasm 2.15rc0 allows remote attackers to cause a denial of service via crafted asm file.
5.5CVE-2020-21687debiannasm+2
EPSS score
0.44%
Buffer Overflow vulnerability in scan function in stdscan.c in nasm 2.15rc0 allows remote attackers to cause a denial of service via crafted asm file.
5.5CVE-2020-21686debiannasm+2
EPSS score
0.44%
A stack-use-after-scope issue discovered in expand_mmac_params function in preproc.c in nasm before 2.15.04 allows remote attackers to cause a denial of service via crafted asm file.
4.3CVE-2020-18974debiannasm+2
EPSS score
0.83%
Buffer Overflow in Netwide Assembler (NASM) v2.15.xx allows attackers to cause a denial of service via 'crc64i' in the component 'nasmlib/crc64'. This issue is different than CVE-2019-7147.
5.5CVE-2020-18780debiannasm+2
EPSS score
0.29%
A Use After Free vulnerability in function new_Token in asm/preproc.c in nasm 2.14.02 allows attackers to cause a denial of service via crafted nasm command.
5.5CVE-2020-24242debiannasm+2
EPSS score
0.74%
In Netwide Assembler (NASM) 2.15rc10, SEGV can be triggered in tok_text in asm/preproc.c by accessing READ memory.
5.5CVE-2020-24241debiannasm+2
EPSS score
0.78%
In Netwide Assembler (NASM) 2.15rc10, there is heap use-after-free in saa_wbytes in nasmlib/saa.c.
9.8CVE-2020-24978debiannasm+2
EPSS score
1.36%
In NASM 2.15.04rc3, there is a double-free vulnerability in pp_tokline asm/preproc.c. This is fixed in commit 8806c3ca007b84accac21dd88b900fb03614ceb7.
6.8CVE-2008-2719debiannasm+1
EPSS score
10.47%
Off-by-one error in the ppscan function (preproc.c) in Netwide Assembler (NASM) 2.02 allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted file that triggers a stack-based buffer overflow.
9.3CVE-2008-7177debiannasm+1
EPSS score
2.39%
Buffer overflow in the listing module in Netwide Assembler (NASM) before 2.03.01 has unknown impact and attack vectors, a different vulnerability than CVE-2008-2719.
5.5CVE-2022-41420debiannasm+2
EPSS score
0.32%
nasm v2.16 was discovered to contain a stack overflow in the Ndisasm component