Description
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.
References (2)
Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://repo.or.cz/nasm.git/commit/3079f7966dbed4497e36d5067cbfd896a90358cb
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.nasm.us/show_bug.cgi?id=3392528
Scores
CVSS v3
5.5
EPSS
0.0100
EPSS Percentile
58.5%
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-20
Status
published
Products (1)
nasm/netwide_assembler
12.14 rc16
Published
Nov 30, 2018
Tracked Since
Feb 18, 2026