Use After Free Vulnerability in NASM 2.14.02 by NASM
CVE-2020-18780

5.5MEDIUM

Key Information:

Vendor

Nasm

Status
Netwide Assembler
Vendor
CVE Published:
22 August 2023

What is CVE-2020-18780?

An exploitable Use After Free vulnerability exists within the function new_Token in the asm/preproc.c file in NASM 2.14.02. Attackers can leverage this flaw by sending specially crafted NASM commands, potentially resulting in a denial of service. This security issue highlights the need for immediate updates and patches to protect systems using the affected version.

References

https://bugzilla.nasm.us/show_bug.cgi?id=3392634

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.