CVE-2025-8844: netwide assembler Null Dereference

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.

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CVSS v3.1 Score

3.3

LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-404 CWE-404

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
nasm	netwide_assembler	All

References

Advisories & Patches

https://bugzilla.nasm.us/show_bug.cgi?id=3392936 https://bugzilla.nasm.us/show_bug.cgi?id=3392936

Exploits

https://bugzilla.nasm.us/show_bug.cgi?id=3392936 https://drive.google.com/file/d/10TSdMErFTBtLFIwfh_fia635cmtmFuei/view?usp=drive_link https://vuldb.com/?submit.623187 https://vuldb.com/?submit.623196 https://vuldb.com/?submit.623198 https://bugzilla.nasm.us/show_bug.cgi?id=3392936 https://vuldb.com/?submit.623198

Other References

https://vuldb.com/?ctiid.319378 https://vuldb.com/?id.319378

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2025-8844? +

CVE-2025-8844 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-8844? +

CVE-2025-8844 affects products from nasm, specifically: netwide_assembler. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-8844? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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