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ubuntucveUbuntu.comUB:CVE-2021-23437
HistorySep 03, 2021 - 12:00 a.m.

CVE-2021-23437

2021-09-0300:00:00
ubuntu.com
ubuntu.com
19
pillow package
redos
getrgb
vulnerable
unix

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.007

Percentile

79.8%

The package pillow 5.2.0 and before 8.3.2 are vulnerable to Regular
Expression Denial of Service (ReDoS) via the getrgb function.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchpillow< 5.1.0-1ubuntu0.7UNKNOWN
ubuntu20.04noarchpillow< 7.0.0-4ubuntu0.5UNKNOWN
ubuntu21.04noarchpillow< 8.1.2-1ubuntu0.2UNKNOWN
ubuntu21.10noarchpillow< 8.1.2+dfsg-0.3ubuntu0.1UNKNOWN
ubuntu22.04noarchpillow< 9.0.0-1UNKNOWN
ubuntu22.10noarchpillow< 9.0.0-1UNKNOWN
ubuntu23.04noarchpillow< 9.0.0-1UNKNOWN
ubuntu23.10noarchpillow< 9.0.0-1UNKNOWN
ubuntu24.04noarchpillow< 9.0.0-1UNKNOWN
ubuntu14.04noarchpillow< 2.3.0-1ubuntu3.4+esm3UNKNOWN
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CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.007

Percentile

79.8%