CVE-2019-6291

MEDIUM

Netwide Assembler < 2.14.02 - Denial of Service via Recursive Expression Parsing

Title source: llm
STIX 2.1

Description

An issue was discovered in the function expr6 in eval.c in Netwide Assembler (NASM) through 2.14.02. There is a stack exhaustion problem caused by the expr6 function making recursive calls to itself in certain scenarios involving lots of '!' or '+' or '-' characters. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted asm file.

References (1)

Core 1
Core References
Exploit, Issue Tracking, Vendor Advisory x_refsource_misc
https://bugzilla.nasm.us/show_bug.cgi?id=3392549

Scores

CVSS v3 5.5
EPSS 0.0127
EPSS Percentile 66.0%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-674
Status published
Products (1)
nasm/netwide_assembler < 2.14.02
Published Jan 15, 2019
Tracked Since Feb 18, 2026