How severe is CVE-2017-11111?

CVE-2017-11111 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-11111 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-11111?

CVE-2017-11111 primarily affects Nasm Netwide Assembler. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-11111?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-11111 published?

CVE-2017-11111 was published on 2017-07-08 and last updated on 2026-06-17.

CVE-2017-11111

CVE-2017-11111 is a high-severity vulnerability in Nasm Netwide Assembler with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Nasm Netwide Assembler
Published: 2017-07-08
Last modified: 2026-06-17

Description

In Netwide Assembler (NASM) 2.14rc0, preproc.c allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted file.

Frequently asked questions

What is CVE-2017-11111?: In Netwide Assembler (NASM) 2.14rc0, preproc.c allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted file.
How severe is CVE-2017-11111?: CVE-2017-11111 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-11111 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-11111?: CVE-2017-11111 primarily affects Nasm Netwide Assembler. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-11111?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-11111 published?: CVE-2017-11111 was published on 2017-07-08 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:nasm:netwide_assembler:2.14:rc0:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

More vulnerabilities in Nasm Netwide Assembler

CVE-2004-1287 — Critical (CVSS 10.0): Buffer overflow in the error function in preproc.c for NASM 0.98.38 1.2 allows attackers to execute arbitrary code via…
CVE-2020-24978 — Critical (CVSS 9.8): In NASM 2.15.04rc3, there is a double-free vulnerability in pp_tokline asm/preproc.c. This is fixed in commit…
CVE-2026-6068 — Critical (CVSS 9.6): NASM contains a heap use after free vulnerability in response file (-@) processing where a dangling pointer to freed…
CVE-2008-7177 — Critical (CVSS 9.3): Buffer overflow in the listing module in Netwide Assembler (NASM) before 2.03.01 has unknown impact and attack vectors,…
CVE-2023-31722 — High (CVSS 7.8): There exists a heap buffer overflow in nasm 2.16.02rc1 (GitHub commit: b952891).
CVE-2022-44370 — High (CVSS 7.8): NASM v2.16 was discovered to contain a heap buffer overflow in the component quote_for_pmake() asm/nasm.c:856

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