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CVE-2020-18780

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Date: August 22, 2023

A Use After Free vulnerability in function new_Token in asm/preproc.c in nasm 2.14.02 allows attackers to cause a denial of service via crafted nasm command.

Language: C

Severity Score

Related Resources (5)

https://bugzilla.nasm.us/show_bug.cgi?id=3392634
https://nvd.nist.gov/vuln/detail/CVE-2020-18780
https://security-tracker.debian.org/tracker/CVE-2020-18780
https://access.redhat.com/security/cve/CVE-2020-18780
https://www.mend.io/vulnerability-database/CVE-2020-18780

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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Upgrade to version nasm-2.15.04

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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