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ubuntucveUbuntu.comUB:CVE-2021-23382
HistoryApr 26, 2021 - 12:00 a.m.

CVE-2021-23382

2021-04-2600:00:00
ubuntu.com
ubuntu.com
12

7.5 High

CVSS3

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.002 Low

EPSS

Percentile

58.0%

The package postcss before 8.2.13 are vulnerable to Regular Expression
Denial of Service (ReDoS) via getAnnotationURL() and loadAnnotation() in
lib/previous-map.js. The vulnerable regexes are caused mainly by the
sub-pattern /*\s* sourceMappingURL=(.*).

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchnode-postcss< anyUNKNOWN
ubuntu22.04noarchnode-postcss< anyUNKNOWN

7.5 High

CVSS3

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.002 Low

EPSS

Percentile

58.0%