What’s Vulnerable › Vulnerabilities

CVE-2017-17815

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-12-21 · updated 2026-06-17
• Weakness: CWE-754

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.

Affected products

• Canonical Ubuntu Linux: 14.04
• NASM Netwide Assember: 2.14-rc0

References

• http://repo.or.cz/nasm.git/commit/c9244eaadd05b27637cde06021bac3fa1d920aa3
• https://bugzilla.nasm.us/show_bug.cgi?id=3392436
• https://usn.ubuntu.com/3694-1/
• http://repo.or.cz/nasm.git/commit/c9244eaadd05b27637cde06021bac3fa1d920aa3
• https://bugzilla.nasm.us/show_bug.cgi?id=3392436
• https://usn.ubuntu.com/3694-1/

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