CVE Vulnerabilities

CVE-2021-33463

NULL Pointer Dereference

Published: Jul 26, 2022 | Modified: Jul 28, 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
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM

An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in yasm_expr__copy_except() in libyasm/expr.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
Yasm Tortall 1.3.0 (including) 1.3.0 (including)
Yasm Ubuntu bionic *
Yasm Ubuntu kinetic *
Yasm Ubuntu lunar *
Yasm Ubuntu mantic *
Yasm Ubuntu trusty *
Yasm Ubuntu xenial *

Potential Mitigations

References