CVE-2021-33461

2022-07-2613:15:09

Alpine Linux Development Team

security.alpinelinux.org

yasm 1.3.0

use-after-free

libyasm/intnum.c

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 yasm_intnum_destroy() in libyasm/intnum.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