CVE-2025-8844

NASM Netwide Assember preproc.c parse_smacro_template null pointer dereference

MEDIUM
5.5
CVSS Score
Published: August 11, 2025 at 11:32 AM UTC
Updated: June 17, 2026 at 10:07 AM UTC
1 product affected across 1 vendorNetwide Assembler

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

Issue TrackingExploitVendor Advisory
https://bugzilla.nasm.us/show_bug.cgi?id=3392936
SignaturePermissions RequiredVDB Entry
https://vuldb.com/?ctiid.319378
VDB EntryTechnical DescriptionThird Party Advisory
https://vuldb.com/?id.319378
Third Party AdvisoryExploitVDB Entry
https://vuldb.com/?submit.623187
Third Party AdvisoryExploitVDB Entry
https://vuldb.com/?submit.623196
Third Party AdvisoryExploitVDB Entry
https://vuldb.com/?submit.623198

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-404CWE-476

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