CVE-2025-8845 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Netwide Assember

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-121 — Stack-based Buffer Overflow5 documents5 sources
Severity
4.8MEDIUMNVD
EPSS
0.0%
top 89.03%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
9
Nasm Netwide AssemberNasm Netwide AssemblerDebian Nasm+6 more
Timeline
PublishedAug 11
Latest updateAug 12

Description

A vulnerability was identified in NASM Netwide Assember 2.17rc0. This issue affects the function assemble_file of the file nasm.c. The manipulation leads to stack-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Affected Packages9 packages

▶CVEListV5nasm/netwide_assember2.17rc0
▶debiandebian/nasm

🔴Vulnerability Details

2
GHSA
GHSA-mfr3-237x-37w4: A vulnerability was identified in NASM Netwide Assember 2↗2025-08-11
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OSV
CVE-2025-8845: A vulnerability was identified in NASM Netwide Assember 2↗2025-08-11
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📋Vendor Advisories

2
Microsoft
NASM Netwide Assember nasm.c assemble_file stack-based overflow↗2025-08-12
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Debian
CVE-2025-8845: nasm - A vulnerability was identified in NASM Netwide Assember 2.17rc0. This issue affe...↗2025
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