Null Pointer Dereference in Nasm Affected by Vulnerability in Preprocessor Code
CVE-2021-45256

5.5MEDIUM

Key Information:

Vendor

Nasm

Status
Netwide Assembler
Vendor
CVE Published:
22 December 2021

What is CVE-2021-45256?

A Null Pointer Dereference vulnerability has been identified in Nasm 2.16rc0, stemming from an issue in the preprocessor code (asm/preproc.c). This flaw may allow attackers to cause unexpected behavior in the application, potentially leading to application crashes or denial of service conditions. It is crucial for users of this version to assess their risk and apply available mitigations to enhance their security posture.

References

https://bugzilla.nasm.us/show_bug.cgi?id=3392789
x_refsource_MISC

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

.