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CVE-2025-8846

NASM Netwide Assember parser.c parse_line stack-based overflow

Published: Aug 11, 2025Updated: Apr 29, 2026 Sources: CVE List NVDCWE-119
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.2%
Top 84.3%
CISA KEV
Not in KEV
Exploits
3 Known
Remediation
Patch Available

Description

A vulnerability has been found in NASM Netwide Assember 2.17rc0. Affected is the function parse_line of the file parser.c. The manipulation leads to stack-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-119CWE-121CWE-787

Affected Products

netwide assemblernasm
On-premDev Tool
DevTools & CI / build-test-tools
Netwide AssemberNASM
Library
DevTools & CI / build-test-tools
nasmoss-projectDevTools & CIaka nasm

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

3 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://bugzilla.nasm.us/show_bug.cgi?id=3392938
bugzilla.nasm.us
https://drive.google.com/file/d/1MQGtdnz58vRF2fAeJMJ4VGiBQWXpnqfy/view?usp=drive_link
drive.google.com
https://vuldb.com/?ctiid.319380
vuldb.com
and 2 more references View all →

Timeline

Published
Aug 11, 2025
Last Updated
Apr 29, 2026

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