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ubuntucveUbuntu.comUB:CVE-2021-3998
HistoryFeb 01, 2022 - 12:00 a.m.

CVE-2021-3998

2022-02-0100:00:00
ubuntu.com
ubuntu.com
124

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

55.1%

JSON

A flaw was found in glibc. The realpath() function can mistakenly return an
unexpected value, potentially leading to information leakage and disclosure
of sensitive data.

Bugs

Notes

Author Note
mdeslaur introduced by: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c6e0b0b5b0b
OSVersionArchitecturePackageVersionFilename
ubuntu21.10noarchglibc< 2.34-0ubuntu3.2UNKNOWN

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7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

55.1%

JSON
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