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ubuntucveUbuntu.comUB:CVE-2016-6263
HistoryJul 21, 2016 - 12:00 a.m.

CVE-2016-6263

2016-07-2100:00:00
ubuntu.com
ubuntu.com
6

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:3.0/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

0.004 Low

EPSS

Percentile

74.8%

The stringprep_utf8_nfkc_normalize function in lib/nfkc.c in libidn before
1.33 allows context-dependent attackers to cause a denial of service
(out-of-bounds read and crash) via crafted UTF-8 data.

OSVersionArchitecturePackageVersionFilename
ubuntu12.04noarchlibidn< 1.23-2ubuntu0.1UNKNOWN
ubuntu14.04noarchlibidn< 1.28-1ubuntu2.1UNKNOWN
ubuntu16.04noarchlibidn< 1.32-3ubuntu1.1UNKNOWN

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:3.0/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

0.004 Low

EPSS

Percentile

74.8%