Is CVE-2017-17815 in the CISA KEV catalog?

No. CVE-2017-17815 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-17815?

CVE-2017-17815 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2017-17815?

CVE-2017-17815 has an EPSS score of 1.45% (70th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-17815?

Upgrade nasm on debian 11 to 2.13.02-0.1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2017-17815

MEDIUMEPSS 70th pctl

5.5

CVSS v3

NVD

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.

CWE-754

How to fix

Remediation Available

nasmDebian

Fixed in:2.13.02-0.1CVE-2017-17815

nasmUbuntu

Fixed in:2.10.09-1ubuntu0.1USN-3694-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

1.45%probability of exploitation in 30 days

70thpercentile

Elevated risk: more likely to be exploited than 70% of all known CVEs.

References

Patch1

repo.or.cz

Exploit1

bugzilla.nasm.us

Third-Party Advisory1

usn.ubuntu.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.