CVE-2026-6069

EUVD-2026-21382
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 6%
Affected Products (NVD)
VendorProductVersion
nasmnetwide_assembler
3.02:rc5
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
nasm
bookworm
postponed
bullseye
postponed
forky
vulnerable
sid
vulnerable
trixie
postponed