CVE-2020-27824

2020-12-1000:00:00

ubuntu.com

openjpeg

encoder

crafted input

buffer overflow

vulnerability

system availability

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

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

33.4%

JSON

A flaw was found in OpenJPEG’s encoder in the
opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker
who can supply crafted input to decomposition levels to cause a buffer
overflow. The highest threat from this vulnerability is to system
availability.

Bugs

<https://github.com/uclouvain/openjpeg/issues/1286>

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchblender< anyUNKNOWN
ubuntu20.04noarchblender< anyUNKNOWN
ubuntu22.04noarchblender< anyUNKNOWN
ubuntu24.04noarchblender< anyUNKNOWN
ubuntu16.04noarchblender< anyUNKNOWN
ubuntu18.04noarchghostscript< 9.26~dfsg+0-0ubuntu0.18.04.14UNKNOWN
ubuntu16.04noarchghostscript< 9.26~dfsg+0-0ubuntu0.16.04.14UNKNOWN
ubuntu18.04noarchinsighttoolkit4< anyUNKNOWN
ubuntu20.04noarchinsighttoolkit4< anyUNKNOWN
ubuntu22.04noarchinsighttoolkit4< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	blender	< any	UNKNOWN
ubuntu	20.04	noarch	blender	< any	UNKNOWN
ubuntu	22.04	noarch	blender	< any	UNKNOWN
ubuntu	24.04	noarch	blender	< any	UNKNOWN
ubuntu	16.04	noarch	blender	< any	UNKNOWN
ubuntu	18.04	noarch	ghostscript	< 9.26~dfsg+0-0ubuntu0.18.04.14	UNKNOWN
ubuntu	16.04	noarch	ghostscript	< 9.26~dfsg+0-0ubuntu0.16.04.14	UNKNOWN
ubuntu	18.04	noarch	insighttoolkit4	< any	UNKNOWN
ubuntu	20.04	noarch	insighttoolkit4	< any	UNKNOWN
ubuntu	22.04	noarch	insighttoolkit4	< any	UNKNOWN