CVE-2025-8844 - CVE House
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Status published Medium CVE-2025-8844

NASM Netwide Assember preproc.c parse_smacro_template null pointer dereference

Vulnerability Description

A vulnerability was determined in NASM Netwide Assember 2.17rc0. This vulnerability affects the function parse_smacro_template of the file preproc.c. The manipulation leads to null pointer dereference. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • xdcao (VulDB User)

References

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Affected Vendor

Affected Software

Netwide Assember
Vulnerable Versions:
2.17rc0

Timeline

Official Publish: August 11th, 2025
Last Modified: August 11th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Weaknesses (CWE)

CWE-476 CWE-404

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1499.004 Application or System Exploitation
Impact
T1489 Service Stop
Impact
T1203 Exploitation for Client Execution
Execution
T1190 Exploit Public-Facing Application
Initial Access
T1498 Network Denial of Service
Impact
T1562 Impair Defenses
Defense Evasion
T1046 Network Service Discovery
Discovery