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ubuntucveUbuntu.comUB:CVE-2021-20243
HistoryMar 09, 2021 - 12:00 a.m.

CVE-2021-20243

2021-03-0900:00:00
ubuntu.com
ubuntu.com
16
imagemagick
resize function
vulnerability
system unavailability

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

31.7%

A flaw was found in ImageMagick in MagickCore/resize.c. An attacker who
submits a crafted file that is processed by ImageMagick could trigger
undefined behavior in the form of math division by zero. The highest threat
from this vulnerability is to system availability.

Notes

Author Note
mdeslaur same commit as CVE-2021-20241
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchimagemagick< 8:6.9.7.4+dfsg-16ubuntu6.14UNKNOWN
ubuntu20.04noarchimagemagick< 8:6.9.10.23+dfsg-2.1ubuntu11.9UNKNOWN
ubuntu22.04noarchimagemagick< 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3+esm1UNKNOWN
ubuntu22.10noarchimagemagick< 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1UNKNOWN
ubuntu23.04noarchimagemagick< 8:6.9.11.60+dfsg-1.3ubuntu1UNKNOWN
ubuntu23.10noarchimagemagick< 8:6.9.11.60+dfsg-1.3ubuntu1UNKNOWN
ubuntu24.04noarchimagemagick< 8:6.9.11.60+dfsg-1.3ubuntu1UNKNOWN
ubuntu14.04noarchimagemagick< 8:6.7.7.10-6ubuntu3.13+esm3UNKNOWN
ubuntu16.04noarchimagemagick< 8:6.8.9.9-7ubuntu5.16+esm2UNKNOWN

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

31.7%