Description
NASM’s disasm() function contains a stack based buffer overflow when formatting disassembly output, allowing an attacker triggered out-of-bounds write when `slen` exceeds the buffer capacity.
References (1)
Scores
CVSS v3
7.5
EPSS
0.0001
EPSS Percentile
3.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-787
Status
published
Products (2)
NASM/NASM
nasm-3.02rc5
nasm/netwide_assembler
3.02 rc5
Published
Apr 10, 2026
Tracked Since
Apr 10, 2026