CVE-2021-33462

2022-07-2613:15:09

Alpine Linux Development Team

security.alpinelinux.org

vulnerability

yasm

exploit

unix

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

23.8%

JSON

An issue was discovered in yasm version 1.3.0. There is a use-after-free in expr_traverse_nodes_post() in libyasm/expr.c.

OSVersionArchitecturePackageVersionFilename
Alpine3.16-mainnoarchyasm= 1.3.0-r2UNKNOWN
Alpine3.15-mainnoarchyasm= 1.3.0-r2UNKNOWN
Alpine3.14-mainnoarchyasm= 1.3.0-r2UNKNOWN
Alpine3.13-mainnoarchyasm= 1.3.0-r2UNKNOWN
Alpine3.17-mainnoarchyasm= 1.3.0-r3UNKNOWN
Alpineedge-communitynoarchyasm= 1.3.0-r4UNKNOWN
Alpine3.18-mainnoarchyasm= 1.3.0-r4UNKNOWN
Alpine3.19-communitynoarchyasm= 1.3.0-r4UNKNOWN
Alpine3.20-communitynoarchyasm= 1.3.0-r4UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Alpine	3.16-main	noarch	yasm	= 1.3.0-r2	UNKNOWN
Alpine	3.15-main	noarch	yasm	= 1.3.0-r2	UNKNOWN
Alpine	3.14-main	noarch	yasm	= 1.3.0-r2	UNKNOWN
Alpine	3.13-main	noarch	yasm	= 1.3.0-r2	UNKNOWN
Alpine	3.17-main	noarch	yasm	= 1.3.0-r3	UNKNOWN
Alpine	edge-community	noarch	yasm	= 1.3.0-r4	UNKNOWN
Alpine	3.18-main	noarch	yasm	= 1.3.0-r4	UNKNOWN
Alpine	3.19-community	noarch	yasm	= 1.3.0-r4	UNKNOWN
Alpine	3.20-community	noarch	yasm	= 1.3.0-r4	UNKNOWN