NULL pointer dereference in Nasm Netwide Assember

CVE-2025-8844

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.

EPSS: 0.003 (18.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
  • cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
  • cna@vuldb.com (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
  • cna@vuldb.com (Exploit, exploit)

Frequently asked questions

What is CVE-2025-8844?
CVE-2025-8844 is a low-severity vulnerability in Nasm Netwide Assember, classified under Improper Resource Shutdown or Release. CVSS score: 3.3/10. Published 2025-08-11.
How severe is CVE-2025-8844?
Low severity. CVSS v3 base score is 3.3 out of 10.
Is CVE-2025-8844 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.