CVE-2021-45257

Home/CVE/An infinite loop vulnerability exists in nasm 2.16rc0 via the gpaste_tokens function.

CVE

An infinite loop vulnerability exists in nasm 2.16rc0 via the gpaste_tokens function.

MEDIUM · CVSS 5.5 EPSS 0.00278

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

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Weakness Classification

CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')

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Affected Products & Versions

nasm netwide assemblerall versions

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Scoring & Timeline

5.5

MEDIUM · CVSS v3.1 · cve@mitre.org

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD22 Dec 2021 · 05:15 PM

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

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://bugzilla.nasm.us/show_bug.cgi?id=3392790Broken LinkIssue Tracking

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CVETechnique ActorTool Family

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External lookups - second-class, for what we don’t hold ourselves

NVD CVE.org CISA Vulners Exploit-DB GitHub PoC VulnCheck KEV GreyNoise

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Compliance
NIST 800-53
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