CVE Vulnerabilities

CVE-2021-45256

NULL Pointer Dereference

Published: Dec 22, 2021 | Modified: Jan 10, 2022

CVSS 3.x

5.5

MEDIUM

Source:

NVD

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

CVSS 2.x

4.3 MEDIUM

RedHat/V2

RedHat/V3

Ubuntu

Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2021-45256
CWE	https://cwe.mitre.org/data/definitions/476.html

A Null Pointer Dereference vulnerability existfs in nasm 2.16rc0 via asm/preproc.c.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name	Vendor	Start Version	End Version
Netwide_assembler	Nasm	2.16-rc0 (including)	2.16-rc0 (including)

Potential Mitigations

References

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

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