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Vulnerability · Published Aug 11, 2025 · Assigned by VulDB

CVE-2025-8844NASM Netwide Assember preproc.c parse_smacro_template null pointer dereference

Low 3.3

In plain English

A low-severity null pointer dereference in Netwide Assember from NASM. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).

Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.3%top 78.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12nasmno fix listedDEBIAN-CVE-2025-8844
Debian:13nasmno fix listedDEBIAN-CVE-2025-8844
Debian:14nasmno fix listedDEBIAN-CVE-2025-8844
Ubuntu:25.10nasmno fix listedUBUNTU-CVE-2025-8844
Ubuntu:26.04:LTSnasmno fix listedUBUNTU-CVE-2025-8844
Ubuntu:26.10nasmno fix listedUBUNTU-CVE-2025-8844

Affected products (as reported)

VendorProductVersions
NASM Netwide Assember 2.17rc0

Weakness: CWE-476, CWE-404 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

References