Vulnerabilities
Misconfiguration
Runtime Security
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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
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
3.3 LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Ubuntu
MEDIUM
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-45256
CWEhttps://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)
Nasm Ubuntu bionic *
Nasm Ubuntu hirsute *
Nasm Ubuntu impish *
Nasm Ubuntu kinetic *
Nasm Ubuntu lunar *
Nasm Ubuntu mantic *
Nasm Ubuntu trusty *
Nasm Ubuntu xenial *

Potential Mitigations

References

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