Vulnerability index

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Netwide Assembler CRITICAL 9.6
CVE-2026-6068

NASM contains a heap use after free vulnerability in response file (-@) processing where a dangling pointer to freed memory is stored in the global d…

No fix yet
Fix from $2,300 2026-04-10
Netwide Assembler HIGH 7.5
CVE-2026-6069

NASM’s disasm() function contains a stack based buffer overflow when formatting disassembly output, allowing an attacker triggered out-of-bounds writ…

No fix yet
Fix from $1,950 2026-04-10
Netwide Assembler MEDIUM 5.5
CVE-2026-6067

A heap buffer overflow vulnerability exists in the Netwide Assembler (NASM) due to a lack of bounds checking in the obj_directive() function. This vu…

No fix yet
Fix from $1,600 2026-04-10
Netwide Assembler HIGH 7.8
CVE-2025-8846

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 …

No fix yet
Fix from $1,950 2025-08-11
Netwide Assembler HIGH 7.8
CVE-2025-8845

A vulnerability was identified in NASM Netwide Assember 2.17rc0. This issue affects the function assemble_file of the file nasm.c. The manipulation l…

No fix yet
Fix from $1,950 2025-08-11
Netwide Assembler MEDIUM 5.5
CVE-2025-8844

A vulnerability was determined in NASM Netwide Assember 2.17rc0. This vulnerability affects the function parse_smacro_template of the file preproc.c.…

No fix yet
Fix from $1,600 2025-08-11
Netwide Assembler HIGH 7.8
CVE-2025-8843

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 le…

No fix yet
Fix from $1,950 2025-08-11
Netwide Assembler HIGH 7.8
CVE-2025-8842

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 manip…

No fix yet
Fix from $1,950 2025-08-11
Netwide Assembler MEDIUM 5.5
CVE-2023-38665

Null pointer dereference in ieee_write_file in nasm 2.16rc0 allows attackers to cause a denial of service (crash).

No fix yet
Fix from $1,600 2023-08-22
Netwide Assembler MEDIUM 5.5
CVE-2023-38667

Stack-based buffer over-read in function disasm in nasm 2.16 allows attackers to cause a denial of service.

No fix yet
Fix from $1,600 2023-08-22
Netwide Assembler MEDIUM 5.5
CVE-2023-38668

Stack-based buffer over-read in disasm in nasm 2.16 allows attackers to cause a denial of service (crash).

No fix yet
Fix from $1,600 2023-08-22
Netwide Assembler MEDIUM 5.5
CVE-2022-29654

Buffer overflow vulnerability in quote_for_pmake in asm/nasm.c in nasm before 2.15.05 allows attackers to cause a denial of service via crafted file.

Fix: 2.15.05+
Fix from $1,600 2023-08-22
Netwide Assembler MEDIUM 5.5
CVE-2020-21687

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.

No fix yet
Fix from $1,600 2023-08-22
Netwide Assembler MEDIUM 5.5
CVE-2020-21685

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 as…

No fix yet
Fix from $1,600 2023-08-22
Netwide Assembler MEDIUM 5.5
CVE-2020-21686

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…

Fix: 2.15.04+
Fix from $1,600 2023-08-22
Netwide Assembler MEDIUM 5.5
CVE-2020-21528

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 …

No fix yet
Fix from $1,600 2023-08-22
Netwide Assembler MEDIUM 5.5
CVE-2020-18780

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 …

No fix yet
Fix from $1,600 2023-08-22
Netwide Assembler HIGH 7.8
CVE-2023-31722

There exists a heap buffer overflow in nasm 2.16.02rc1 (GitHub commit: b952891).

No fix yet
Fix from $1,950 2023-05-17
Netwide Assembler HIGH 7.8
CVE-2022-44370

NASM v2.16 was discovered to contain a heap buffer overflow in the component quote_for_pmake() asm/nasm.c:856

Fix: 2.16+
Fix from $1,950 2023-03-29
Netwide Assembler MEDIUM 5.5
CVE-2022-44368

NASM v2.16 was discovered to contain a null pointer deference in the NASM component

No fix yet
Fix from $1,600 2023-03-29
Netwide Assembler MEDIUM 5.5
CVE-2022-44369

NASM 2.16 (development) is vulnerable to 476: Null Pointer Dereference via output/outaout.c.

No fix yet
Fix from $1,600 2023-03-29
Netwide Assembler MEDIUM 6.1
CVE-2022-46456

NASM v2.16 was discovered to contain a global buffer overflow in the component dbgdbg_typevalue at /output/outdbg.c.

No fix yet
Fix from $1,600 2023-01-04
Netwide Assembler MEDIUM 5.5
CVE-2022-46457

NASM v2.16 was discovered to contain a segmentation violation in the component ieee_write_file at /output/outieee.c.

No fix yet
Fix from $1,600 2023-01-04
Netwide Assembler MEDIUM 5.5
CVE-2022-41420

nasm v2.16 was discovered to contain a stack overflow in the Ndisasm component

No fix yet
Fix from $1,600 2022-10-03
Netwide Assembler MEDIUM 5.5
CVE-2021-33450

An issue was discovered in NASM version 2.16rc0. There are memory leaks in nasm_calloc() in nasmlib/alloc.c.

No fix yet
Fix from $1,600 2022-07-26
Netwide Assembler MEDIUM 5.5
CVE-2021-33452

An issue was discovered in NASM version 2.16rc0. There are memory leaks in nasm_malloc() in nasmlib/alloc.c.

No fix yet
Fix from $1,600 2022-07-26
Netwide Assembler MEDIUM 5.5
CVE-2021-45256

A Null Pointer Dereference vulnerability existfs in nasm 2.16rc0 via asm/preproc.c.

Mitigation only
Fix from $1,600 2021-12-22
Netwide Assembler MEDIUM 5.5
CVE-2021-45257

An infinite loop vulnerability exists in nasm 2.16rc0 via the gpaste_tokens function.

Mitigation only
Fix from $1,600 2021-12-22
Netwide Assembler CRITICAL 9.8
CVE-2020-24978

In NASM 2.15.04rc3, there is a double-free vulnerability in pp_tokline asm/preproc.c. This is fixed in commit 8806c3ca007b84accac21dd88b900fb03614ceb…

No fix yet
Fix from $2,300 2020-09-04
Netwide Assembler MEDIUM 5.5
CVE-2020-24241

In Netwide Assembler (NASM) 2.15rc10, there is heap use-after-free in saa_wbytes in nasmlib/saa.c.

No fix yet
Fix from $1,600 2020-08-25