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osvGoogleOSV:USN-5766-1
HistoryDec 07, 2022 - 11:29 p.m.

heimdal vulnerability

2022-12-0723:29:35
Google
osv.dev
10
heimdal
unicode
memory
vulnerability
denial of service

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

7.2 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

72.4%

It was discovered that Heimdal did not properly manage memory when
normalizing Unicode. An attacker could possibly use this issue to
cause a denial of service.

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

7.2 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

72.4%