CVE-2017-17815

Name: CVE-2017-17815
Creator: NVD / NIST
Published: 2017-12-21T03:29:00.397+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.45%

Last modified Jun 17, 2026

CVE-2017-17815 is a vulnerability of currently unknown severity. In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in is_mmacro() in asm/preproc.c that will cause a remote denial of service attack, because of a missing check for the relationship between minimum and maximum parameter counts.. EPSS estimates a 1.45% chance of exploitation in the next 30 days.

Description

In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in is_mmacro() in asm/preproc.c that will cause a remote denial of service attack, because of a missing check for the relationship between minimum and maximum parameter counts.

Metrics

EPSS Probability

1.45%

70.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-754

Affected Software

Vendor	Product	Versions	Update
Nasm	Netwide Assembler	2.14	Rc0
Canonical	Ubuntu Linux	14.04	—

References

http://repo.or.cz/nasm.git/commit/c9244eaadd05b27637cde06021bac3fa1d920aa3Patch, Vendor Advisory
https://bugzilla.nasm.us/show_bug.cgi?id=3392436Exploit, Issue Tracking, Vendor Advisory
https://usn.ubuntu.com/3694-1/Third Party Advisory
http://repo.or.cz/nasm.git/commit/c9244eaadd05b27637cde06021bac3fa1d920aa3Patch, Vendor Advisory
https://bugzilla.nasm.us/show_bug.cgi?id=3392436Exploit, Issue Tracking, Vendor Advisory
https://usn.ubuntu.com/3694-1/Third Party Advisory

Timeline

Published: Dec 21, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-17815?

How severe is CVE-2017-17815?

Severity scoring for CVE-2017-17815 is pending analysis. The EPSS model estimates a 1.45% probability of exploitation in the next 30 days.

How do I fix CVE-2017-17815?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-17815?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST